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Full vulnerability report · 2023
CVE-2023-23412High confidence

Windows Accounts Picture Elevation of Privilege Vulnerability

Microsoft · Windows 10 Version 1809

7.8HighCVSS 3.1
Recommended action
Within 7 days

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

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Medium, lowered one band.downgradedsince 1 Jan 2025

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.34% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Microsoft Windows 10 Version 1809 and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Optional official sources

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

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

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-2023-27512

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
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

Windows Accounts Picture Elevation of Privilege Vulnerability

What

Windows Accounts Picture Elevation of Privilege Vulnerability

Why

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

What

Windows Accounts Picture Elevation of Privilege Vulnerability

Why

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

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 → Improper Privilege Management → gain additional privileges
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
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-269 ↗

CWE-269: Improper Privilege Management. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

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:L/UI:N/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.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.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
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
Privilege escalationCWE-269
A

Official authority intelligence

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

BSI · German · WID-SEC-2023-0651Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und seine Privilegien zu erweitern.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20230315Security Bulletin 15 Mar 2023

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 15 Mar 2023, published on 15 March 2023. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2023-AVI-0232Multiples vulnérabilités dans Microsoft Windows

023-23406 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23406 Bulletin de sécurité Microsoft CVE-2023-23407 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23407 Bulletin de sécurité Microsoft CVE-2023-23409 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23409 Bulletin de sécurité Microsoft CVE-2023-23410 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23410 Bulletin de sécurité Microsoft CVE-2023-23411 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23411 Bulletin de sécurité Microsoft CVE-2023-23412 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23412 Bulletin de sécurité Microsoft CVE-2023-23413 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23413 Bulletin de sécurité Microsoft CVE-2023-23414 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23414 Bulletin de sécurité Microsoft CVE-2023-23415 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23415 Bulletin de sécurité Microsoft CVE-2023-23416 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23416 Bulletin de sécurité Microsoft CVE-2023-

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-001339Microsoft Windows 10 および Windows Server における権限を昇格される脆弱性

Microsoft Windows 10 および Windows Server には、Windows アカウント画像に不備があるため、権限を昇格される脆弱性が存在します。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-5884MS 3월 보안 위협에 따른 정기 보안 업데이트 권고

File System (ReFS) | CVE-2023-23418 | Windows ReFS(복원 파일 시스템) 권한 상승 취약성 | | Windows Partition Management Driver | CVE-2023-23417 | Windows 파티션 관리 드라이버 권한 상승 취약성 | | Windows Cryptographic Services | CVE-2023-23416 | Windows 암호화 서비스 원격 코드 실행 취약성 | | Internet Control Message Protocol (ICMP) | CVE-2023-23415 | ICMP(Internet Control Message Protocol) 원격 코드 실행 취약성 | | Windows Point-to-Point Protocol over Ethernet (PPPoE) | CVE-2023-23414 | Windows PPPoE(Point-to-Point Protocol over Ethernet) 원격 코드 실행 취약성 | | Microsoft PostScript Printer Driver | CVE-2023-23413 | Microsoft PostScript 및 PCL6 Class 프린터 드라이버 원격 코드 실행 취약성 | | Windows Accounts Control | CVE-2023-23412 | Windows 계정 사진 권한 상승 취약성 | | Role: Windows Hyper-V | CVE-2023-23411 | Windows Hyper-V 서비스 거부 취약성 | | Windows HTTP.sys | CVE-2023-23410 | Windows HTTP.sys 권한 상승 취약성 | | Client Server Run-time Subsystem (CSRSS) | CVE-2023-23409 | CSRSS(Client Server Run-Time Subsystem) 정보 공개 취약성 | | Azure | CVE-2023-23408 | Azure Apache Ambari 스푸핑 취약성 | | Windows Point-to-Point Protocol over Ethernet (PPPoE) | CVE-2023-23407 | Windows PPPoE(Point-to-Point Protocol over Ethernet) 원격 코드 실행 취약성 | | Microsoft PostScript Printer Driver | CVE-2023-23406 | Microsoft PostScript 및 PCL6 Class 프린터 드라이버 원격 코드 실행 취약성 | | Windows Remote Procedure Call Runtime | CVE-2023-23

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 Mar 2023 · Last source change 1 Jan 2025, 00:48 UTC · CWE-269 · Improper Privilege Management

CVE recordCVE.org · 5.1
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-2023-27512
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceOther authority
NVD statusNVD modified after enrichment

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

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

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-2023-27512↗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-2023-23412 · cve.blacktree.nl