CVE-2026-69783: Windows Update Elevation of Privilege Vulnerability
External control of file name or path in Windows Update allows an authorized attacker to elevate privileges locally.
Other sources
Windows Update Elevation of Privilege Vulnerability
— 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 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected system and have local access. The provided information does not indicate that it can be exploited remotely or without prior privileges.
Which systems are identified as affected?
The affected software listed is Microsoft Windows 11 and Microsoft Windows Server 2025.
What security impact could successful exploitation have?
Successful exploitation could allow local elevation of privilege. The supplied severity vector indicates high impacts to confidentiality, integrity, and availability.