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Full vulnerability report · 2026
CVE-2026-55032High confidence

Microsoft Word Remote Code Execution Vulnerability

Microsoft · Microsoft 365 Apps for Enterprise

7.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2026-44184

No EUVD known-exploited evidence

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
7.8 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

What

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

What

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → Use After Free → execute code or commands in the affected security context
Attack surface
Local
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-416 ↗

CWE-416: Use After Free. The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory belongs to the code that operates on the new pointer.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
UnauthenticatedRemote code executionCWE-416
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-44184Official EUVD mapping

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Official EUVD record ↗
BSI · German · WID-SEC-2026-2317Microsoft Office Produkte: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Office Produkten ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um falsche Informationen darzustellen, um seine Privilegien zu erhöhen, und um Sicherheitsvorkehrungen zu umgehen.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0872Multiples vulnérabilités dans les produits Microsoft

CVE-2026-55012 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55016 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55019 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55020 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55021 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55023 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55026 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55027 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55028 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55030 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55032 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55033 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55034 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55035 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55038 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55040 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55045 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55047 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55050 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55051 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55052

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0868Multiples vulnérabilités dans Microsoft Office

e CVE-2026-55022 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55023 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55024 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55025 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55026 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55027 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55028 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55029 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55031 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55032 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55033 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55035 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55036 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55037 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55038 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55039 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55041 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55042 du 14 juillet 2026 Bulletin de sécurité Microsoft Office CVE-2026-55043 d

Official advisory ↗
CSIRT Italia · Italian · aggiornamenti-mensili-microsoft-22Aggiornamenti Mensili Microsoft

finestra - - CVE-2026-55046 : apre una nuova finestra - - CVE-2026-55045 : apre una nuova finestra - - CVE-2026-55044 : apre una nuova finestra - - CVE-2026-55043 : apre una nuova finestra - - CVE-2026-55042 : apre una nuova finestra - - CVE-2026-55041 : apre una nuova finestra - - CVE-2026-55040 : apre una nuova finestra - Presente CVE-2026-55039 : apre una nuova finestra - - CVE-2026-55038 : apre una nuova finestra - - CVE-2026-55037 : apre una nuova finestra - - CVE-2026-55036 : apre una nuova finestra - - CVE-2026-55035 : apre una nuova finestra - - CVE-2026-55034 : apre una nuova finestra - - CVE-2026-55033 : apre una nuova finestra - - CVE-2026-55032 : apre una nuova finestra - - CVE-2026-55031 : apre una nuova finestra - - CVE-2026-55030 : apre una nuova finestra - - CVE-2026-55029 : apre una nuova finestra - - CVE-2026-55028 : apre una nuova finestra - - CVE-2026-55027 : apre una nuova finestra - - CVE-2026-55026 : apre una nuova finestra - - CVE-2026-55025 : apre una nuova finestra - - CVE-2026-55024 : apre una nuova finestra - - CVE-2026-55023 : apre una nuova finestra - - CVE-2026-55022 : apre una nuova finestra - - CVE-2026-55021 : apre una nuova finestra - - CVE-2026-55020 : apre una nuova finestra - - CVE-2026-55019 : apre una nuova finestra - - CVE-2026-55018 : apre una nuova fi

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-024395マイクロソフトのMicrosoft 365 Apps等の複数製品における解放済みメモリの使用に関する脆弱性

Microsoft Office WordにおけるUse after freeの脆弱性により、認可されていない攻撃者がローカルでコードを実行する可能性があります。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6882MS 7월 보안 위협에 따른 정기 보안 업데이트 권고

026-55035 | Microsoft Office 정보 유출 취약성 | | Microsoft Office | CVE-2026-55129 | Microsoft Office 원격 코드 실행 취약성 | | Microsoft Office Excel | CVE-2026-55141 | Microsoft Excel 원격 코드 실행 취약성 | | Microsoft Office Excel | CVE-2026-55136 | Microsoft Excel 원격 코드 실행 취약성 | | Microsoft Office Word | CVE-2026-55127 | Microsoft Word 원격 코드 실행 취약성 | | Microsoft Office Word | CVE-2026-55124 | Microsoft Word 정보 유출 취약성 | | Microsoft Office Excel | CVE-2026-55138 | Microsoft Excel 정보 유출 취약성 | | Microsoft Office Excel | CVE-2026-55041 | Microsoft Excel 원격 코드 실행 취약성 | | Microsoft Office Word | CVE-2026-55033 | Microsoft Word 원격 코드 실행 취약성 | | Microsoft Office Word | CVE-2026-55032 | Microsoft Word 원격 코드 실행 취약성 | | Microsoft Office | CVE-2026-55049 | Microsoft Office 원격 코드 실행 취약성 | | Microsoft Office Word | CVE-2026-55050 | Microsoft Word 정보 유출 취약성 | | Microsoft Office | CVE-2026-55045 | Microsoft Office 원격 코드 실행 취약성 | | Microsoft Office Excel | CVE-2026-55039 | Microsoft Excel 원격 코드 실행 취약성 | | Microsoft Office | CVE-2026-55047 | Microsoft Office 정보 유출 취약성 | | Microsoft Office | CVE-2026-55028 | Microsoft Office 정보 유출 취약성 | | Microsoft Office Excel | CVE-2026-55029 | Microsoft Excel 원격 코드 실행 취약성 | | Microsoft Office | CVE-2026-55027 | Microsoft Office 정보 유출 취약성 | | Microsoft Office SharePoint | CVE-2026-55034 | Microso

Official advisory ↗
NCSC-NL · Dutch · NCSC-2026-0237Kwetsbaarheden verholpen in Microsoft Office

Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot categorieën schade, zoals benoemd in onderstaande tabel. Voor succesvol misbruik moet de kwaadwillende het slachtoffer misleiden een malafide bestand te openen of link te volgen, met uitzondering van SharePoint. Voor succesvol misbruik van kwetsbaarheden in SharePoint is geen gebruikersinteractie nodig, anders dan het volgen van een malafide link. Microsoft heeft in een update bevestigd dat SharePoint kwetsbaarheid CVE-2026-58644 actief als zeroday is misbruikt. Het NCSC raadt aan kwetsbare SharePoint systemen zo snel mogelijk te updaten naar de nieuwste versie om misbruik te voorkomen. De kwetsbaarheid CVE-2026-58644 betreft een deserialization-kwetsbaarheid welke misbruik zou kunnen worden om op afstand code uit te voeren. Mogelijk is de kwetsbaarheid CVE-2026-58644 in combinatie met SharePoint-kwetsbaarheid CVE-2026-56164 door kwaadwillende te misbruiken om zonder authenticatie op afstand code uit te voeren. De kwetsbaarheid CVE-2026-56164 betreft een privilegeescalation-kwetsbaarheid, deze zou misbruikt kunnen worden om rechten binnen een netwerk te verhogen. UPDATE: Volgens watchTowr is er een publieke exploit code voor SharePoint kwetsbaarheid CVE-2026-50522 gepubliceerd en wordt deze op on-premise versies van SharePoint nu ook actief misbruikt. Kwaadwillenden kunnen deze kwetsbaarheid misbruiken om zichzelf voor langere termijn toegang tot netwerken van kwetsbare systemen te verschaffen, door middel van het stelen van machine-keys. ``` Microsoft Office SharePoint: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-54108 | 6.50 | Voordoen als andere gebruiker | | CVE-2026-56164 | 5.30 | Verkrijgen van verhoogde rechten | | CVE-2026-50522 | 9.80 | Uitvoeren van willekeurige code | | CVE-2026-58644 | 9.80 | Uitvoeren van willekeurige code | | CVE-2026-55016 | 4.60 | Voordoen als andere gebruiker | | CVE-2026-55019 | 4.60 | Voordoen als andere gebruiker | | CVE-2026-55020 | 4.60 | Voordoen als andere gebruiker | | CVE-2026-55021 | 7.30 | Voordoen als andere gebruiker | | CVE-2026-55030 | 4.60 | Voordoen als andere gebruiker | | CVE-2026-55034 | 7.30 | Voordoen als andere gebruiker | | CVE-2026-55126 | 7.30 | Voordoen als andere gebruiker | | CVE-2026-55051 | 6.50 | Toegang tot gevoelige gegevens | | CVE-2026-55040 | 9.10 | Omzeilen van beveiligingsmaatregel | | CVE-2026-55052 | 8.80 | Verkrijgen van verhoogde rechten | | CVE-2026-55135 | 4.60 | Voordoen als andere gebruiker | | CVE-2026-56157 | 5.40 | Voordoen als andere gebruiker | | CVE-2026-58277 | 8.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Office Word: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-55050 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55032 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55033 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55124 | 5.50 | Uitvoeren van willekeurige code | | CVE-2026-55127 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55055 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55038 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55132 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55134 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55142 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55128 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55130 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft Office PowerPoint: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-55043 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55123 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55120 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft Office: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-56193 | 7.10 | Toegang tot gevoelige gegevens | | CVE-2026-47290 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50301 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50314 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50467 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55017 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55018 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55022 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55023 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55125 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55026 | 6.20 | Toegang tot gevoelige gegevens | | CVE-2026-55027 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55028 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55047 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55045 | 8.40 | Uitvoeren van willekeurige code | | CVE-2026-55049 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55129 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55035 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55057 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55056 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55140 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55042 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55139 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-50665 | 7.80 | Toegang tot gevoelige gegevens | | CVE-2026-56192 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-56195 | 5.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Microsoft Office OneNote: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-55133 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Microsoft Office Excel: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-50675 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50678 | 6.60 | Toegang tot gevoelige gegevens | | CVE-2026-54988 | 6.10 | Toegang tot gevoelige gegevens | | CVE-2026-55899 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55948 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-58618 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-47642 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-48580 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55024 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50408 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55046 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55025 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55031 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55048 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55029 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55039 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55041 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55138 | 5.50 | Toegang tot gevoelige gegevens | | CVE-2026-55136 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55141 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55036 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55044 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55054 | 6.50 | Toegang tot gevoelige gegevens | | CVE-2026-55037 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55058 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55137 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55053 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55122 | 7.10 | Toegang tot gevoelige gegevens | | CVE-2026-55131 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-54131 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55898 | 6.10 | Toegang tot gevoelige gegevens | | CVE-2026-55947 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-55949 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-56156 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows GDI: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-50387 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| ```

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
Fixed
An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 14 Jul 2026 · Last source change 28 Aug 2026, 17:54 UTC · CWE-416 · Use After Free

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2026-44184
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceOther authority
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    16.0.1 < https://aka.ms/OfficeSecurityReleases; 19.0.0 < https://aka.ms/OfficeSecurityReleases; 1.0.0 < 16.111.26071215; 16.0.0 < https://aka.ms/OfficeSecurityReleases; 16.0.1 < 16.111.26071215; 16.0.0 < 16.111.26071215; 16.0.0 < 16.0.5561.1001 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    Microsoft 365 Apps for Enterprise: 16.0.1 < https://aka.ms/OfficeSecurityReleases; Microsoft Office 2019: 19.0.0 < https://aka.ms/OfficeSecurityReleases; Microsoft Office 365 for Mac: 1.0.0 < 16.111.26071215; Microsoft Office LTSC 2021: 16.0.1 < https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC 2024: 16.0.0 < https://aka.ms/OfficeSecurityReleases; Microsoft Office LTSC for Mac 2021: 16.0.1 < 16.111.26071215; Microsoft Office LTSC for Mac 2024: 16.0.0 < 16.111.26071215; Microsoft SharePoint Enterprise Server 2016: 16.0.0 < 16.0.5561.1001; Microsoft SharePoint Server 2019: 16.0.0 < 16.0.10417.20175; Microsoft SharePoint Server Subscription Edition: 16.0.0 < 16.0.19725.20434; Microsoft Word 2016: 16.0.1 < 16.0.5561.1000 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2026-44184↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2026-55032 · cve.blacktree.nl