CVE-2026-69299: Microsoft COM for Windows Elevation of Privilege Vulnerability
Microsoft COM for Windows Elevation of Privilege Vulnerability
Other sources
Use after free in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running Microsoft Windows 10, Windows 11, Windows Server 2022, or Windows Server 2025 are listed as affected. Exploitation is local rather than network-based.
What access does an attacker need to exploit it?
The attacker must already be authorized on the affected system and needs local access. No user interaction is required according to the supplied vector.
What is the potential impact after exploitation?
A successful attacker can elevate privileges locally. The supplied impact metrics indicate potential high impact to confidentiality, integrity, and availability.