CVE-2026-27910: Windows Installer Elevation of Privilege Vulnerability
Improper handling of insufficient permissions or privileges in Windows Installer allows an authorized attacker to elevate privileges locally.
Other sources
Windows Installer 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 10.0.14393.9060Patch KB5082198 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
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Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
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Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
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Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
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Fixed in 10.0.25398.2274Patch KB5082060 - Upgrade
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Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
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Fixed in 10.0.28000.1836Patch KB5083768 - Upgrade
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Fixed in 6.3.9600.23132Patch KB5082126 - Upgrade
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Fixed in 6.2.9200.26026Patch KB5082127
Event History
Frequently Asked Questions
What is the severity of CVE-2026-27910?
CVE-2026-27910 has been assigned a high severity rating due to its potential for privilege escalation.
How do I fix CVE-2026-27910?
To fix CVE-2026-27910, users should apply the latest security updates from Microsoft for their affected Windows versions.
What versions of Windows are affected by CVE-2026-27910?
CVE-2026-27910 affects multiple Windows versions including Windows 10, Windows 11, and Windows Server editions.
Can CVE-2026-27910 be exploited remotely?
CVE-2026-27910 requires local access, meaning it cannot be exploited remotely by an attacker.
What actions should I take if I believe I am affected by CVE-2026-27910?
If affected by CVE-2026-27910, it is critical to immediately update your system with the recommended security patches.