CVE-2026-83990: Microsoft Graphics Component Elevation of Privilege Vulnerability
Published Sep 8, 2026
·Updated
Microsoft Graphics Component Elevation of Privilege Vulnerability
Other sources
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
— Microsoft
Affected Software
22 affected componentsFixes available
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows Server 2025<10.0.26100.33438
10.0.26100.33438
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows Server 2022<10.0.20348.5622
10.0.20348.5622
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows 11 23h2<10.0.22631.7582
Microsoft Windows 11 23h2<10.0.22631.7582
Microsoft Windows 11 24h2<10.0.26100.9445
Microsoft Windows 11 24h2<10.0.26100.9445
Microsoft Windows 11 25h2<10.0.26200.9445
Microsoft Windows 11 25h2<10.0.26200.9445
Microsoft Windows 11 26h1<10.0.28000.2954
Microsoft Windows 11 26h1<10.0.28000.2954
Microsoft Windows Server 2022<10.0.20348.5622
Microsoft Windows Server 2025<10.0.26100.33438
Remediation
Event History
Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:19 PM
Data Sourced
via MITRE·05:19 PM
DescriptionSeverity
Data Sourced
via NVD·06:21 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Who can exploit this vulnerability?
An attacker must already be authorized on the affected system and able to execute an exploit locally. The supplied data does not indicate that remote or unauthenticated attackers can exploit it.
2
Which systems are identified as affected?
The listed affected products are Microsoft Windows 11, Microsoft Windows Server 2022, and Microsoft Windows Server 2025.
3
What impact could successful exploitation have?
Successful exploitation can allow local privilege elevation. The provided vector rates confidentiality, integrity, and availability impacts as high.