CVE-2026-73028: SQL Server Elevation of Privilege Vulnerability

Recommended actionWithin 7 days

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

Patch available

What, why and how

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

What

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

What

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

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: a network path → Improper Access Control → gain additional privileges
Attack surface: Network
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-284 ↗
CWE-284: Improper Access Control. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVSS vector ? CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.: CVSS:3.1/AV:N/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.
AVNetworkAttack vector: The vulnerable component can be reached over a network.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: No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.

NetworkPrivilege escalationCWE-284

Official authority intelligence

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

ENISA EUVD · EUVD-2026-73782Official EUVD mapping

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Official EUVD record ↗

BSI · German · WID-SEC-2026-3271Microsoft SQL Server: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft SQL Server 2017, SQL Server 2019 und SQL Server 2022 ausnutzen, um seine Berechtigungen zu erweitern – unter anderem auf SQL-Sysadmin- oder SYSTEM-Rechte –, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und Sicherheitsmaßnahmen zu umgehen.

Official advisory ↗

CERT-FR · French · CERTFR-2026-AVI-1149Multiples vulnérabilités dans les produits Microsoft

septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69716 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69724 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69804 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69805 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69806 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-69904 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-70334 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-70351 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-71328 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-73028 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-73029 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77480 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77481 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77482 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77483 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77484 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77485 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77486 du 08 septembre 2026 Bulletin de sécurité Microsoft CVE-2026-77487 du 08 septembre 2026 Bulletin de sécurité Micr

Official advisory ↗

CSIRT Italia · Italian · aggiornamenti-mensili-microsoft-24Aggiornamenti Mensili Microsoft

nuova finestra - - CVE-2026-73024 : apre una nuova finestra - - CVE-2026-77503 : apre una nuova finestra - - CVE-2026-73025 : apre una nuova finestra - - CVE-2026-77504 : apre una nuova finestra - - CVE-2026-73022 : apre una nuova finestra - - CVE-2026-77505 : apre una nuova finestra - - CVE-2026-73023 : apre una nuova finestra - - CVE-2026-73020 : apre una nuova finestra - - CVE-2026-73021 : apre una nuova finestra - - CVE-2026-72976 : apre una nuova finestra - - CVE-2026-72975 : apre una nuova finestra - - CVE-2026-72978 : apre una nuova finestra - - CVE-2026-72977 : apre una nuova finestra - - CVE-2026-72972 : apre una nuova finestra - - CVE-2026-73028 : apre una nuova finestra - - CVE-2026-73029 : apre una nuova finestra - - CVE-2026-77500 : apre una nuova finestra - - CVE-2026-72974 : apre una nuova finestra - - CVE-2026-73026 : apre una nuova finestra - - CVE-2026-77501 : apre una nuova finestra - - CVE-2026-72973 : apre una nuova finestra - - CVE-2026-77502 : apre una nuova finestra - - CVE-2026-72979 : apre una nuova finestra - - CVE-2026-69911 : apre una nuova finestra - - CVE-2026-69910 : apre una nuova finestra - - CVE-2026-72981 : apre una nuova finestra - - CVE-2026-72980 : apre una nuova finestra - - CVE-2026-70203 : apre una nuova finestra - - CVE-2026-72987 : apre una nuova fi

Official advisory ↗

NCSC-NL · Dutch · NCSC-2026-0350Kwetsbaarheden verholpen in SQL Server

Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot de categorieën schade zoals benoemd in onderstaande tabel. ``` SQL Server: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47297 | 8,10 | Uitvoeren van willekeurige code | | CVE-2026-66814 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-66816 | 6,50 | Omzeilen van beveiligingsmaatregel | | CVE-2026-66818 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-66819 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-66820 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-67368 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-67369 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67370 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-67373 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67376 | 7,50 | Denial-of-Service | | CVE-2026-67378 | 8,50 | Uitvoeren van willekeurige code | | CVE-2026-67379 | 8,50 | Uitvoeren van willekeurige code | | CVE-2026-67380 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67381 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-67383 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67384 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67385 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67386 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67388 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67389 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67390 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67393 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67624 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67629 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67630 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67631 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67633 | 6,50 | Denial-of-Service | | CVE-2026-67636 | 8,50 | Uitvoeren van willekeurige code | | CVE-2026-67638 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67639 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67641 | 6,50 | Denial-of-Service | | CVE-2026-67642 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67643 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-67645 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-67648 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68775 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-68776 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68777 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68778 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68779 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68780 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68781 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68784 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-68785 | 4,90 | Uitvoeren van willekeurige code | | CVE-2026-68786 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-68787 | 7,80 | Uitvoeren van willekeurige code | | CVE-2026-69562 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-73028 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-73029 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-77480 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-77481 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-77482 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-77483 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-77484 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-77485 | 7,00 | Verkrijgen van verhoogde rechten | | CVE-2026-77486 | 8,80 | Uitvoeren van willekeurige code | | CVE-2026-77487 | 8,80 | Verkrijgen van verhoogde rechten | | CVE-2026-77488 | 5,50 | Toegang tot gevoelige gegevens | | CVE-2026-78456 | 8,80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Windows OLE DB: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-78441 | 6,50 | Toegang tot gevoelige gegevens | | CVE-2026-78442 | 8,80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| ```

Official advisory ↗

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: Microsoft SQL Server 2017 (CU 31): 14.0.0 < 14.0.3550.4
Microsoft SQL Server 2017 (GDR): 14.0.0 < 14.0.2130.4
Microsoft SQL Server 2019 (CU 32): 15.0.0.0 < 15.0.4490.9
Microsoft SQL Server 2019 (GDR): 15.0.0 < 15.0.2190.7
Microsoft SQL Server 2022 (CU 26): 16.0.0.0 < 16.0.4275.2
Microsoft SQL Server 2022 (GDR): 16.0.0 < 16.0.1200.5
Microsoft SQL Server 2025 (CU8): 17.0.0.0 < 17.0.4085.5
Microsoft SQL Server 2025 for x64-based Systems (GDR): 17.0.1050.2 < 17.0.1135.8
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. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.

Evidence and provenance

Published 8 Sept 2026 · Last source change 11 Sept 2026, 16:45 UTC · CWE-284 · Improper Access Control

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 2026-09-09

European sourceENISA EUVD · EUVD-2026-73782

Product sourceCNA

Remediation sourceCVE/CNA references

CWE sourceOther authority

NVD statusNVD awaiting enrichment

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

Material change intelligence

What changed after publication

View recent updates ↗

9 Sept 2026, 15:04 UTC
ENISA EUVD mappingEUVD-2026-73782 was added to the official ENISA EUVD mapping for this CVE.
Before
not recorded
After
{"euvdId":"EUVD-2026-73782"}
ENISA EUVD ↗
8 Sept 2026, 17:18 UTC
Catalogue recordCVE added to the BlackTree catalogue.
CNA ↗

2026-09-08CVE published

ENISA EUVD · EUVD-2026-73782↗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.

SQL Server Elevation of Privilege Vulnerability

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

ENISA European Vulnerability Database

EUVD-2026-73782

What, why and how

Exploit reality and attack path

Official authority intelligence

Patch and workaround

Evidence and provenance

What changed after publication

SQL Server Elevation of Privilege Vulnerability

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

EUVD-2026-73782

What, why and how

Exploit reality and attack path

Official authority intelligence

Patch and workaround

Evidence and provenance

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