CVE-2026-112989: Windows Servicing Stack Updates Elevation of Privilege Vulnerability
Published Nov 10, 2026
·Updated
Untrusted pointer dereference in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
Other sources
Windows Servicing Stack Updates Elevation of Privilege Vulnerability
— Microsoft
Affected Software
8 affected componentsFixes available
Microsoft Windows 11=26H2, >=10.0.26300<10.0.26300.9974
10.0.26300.9974
Microsoft Windows Server 2025<10.0.26100.33822
10.0.26100.33822
Microsoft Windows Server 2025<10.0.26100.33822
10.0.26100.33822
Microsoft Windows 11=25H2, >=10.0.26200<10.0.26200.9974
10.0.26200.9974
Microsoft Windows 11=25H2, >=10.0.26200<10.0.26200.9974
10.0.26200.9974
Microsoft Windows 11=26H2, >=10.0.26300<10.0.26300.9974
10.0.26300.9974
Microsoft Windows 11=24H2, >=10.0.26100<10.0.26100.9974
10.0.26100.9974
Microsoft Windows 11=24H2, >=10.0.26100<10.0.26100.9974
10.0.26100.9974
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 10.0.26300.9974Patch KB5132061 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33822Patch KB5131080 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9974Patch KB5132061 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9974Patch KB5132061
Event History
Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
CVE Published
via MITRE·06:18 PM
Data Sourced
via MITRE·06:18 PM
DescriptionSeverity
Data Sourced
via NVD·07:18 PM
DescriptionSeverityWeakness