CVE-2026-61923: Windows Display Enhancement Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally.
Other sources
Windows Display Enhancement Service 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 10.0.28000.2704Patch KB5121000 - Upgrade
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Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
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Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
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Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229
Event History
Frequently Asked Questions
What is the severity of CVE-2026-61923?
CVE-2026-61923 has a severity rating of 7.8, classified as high.
What type of vulnerability is CVE-2026-61923?
CVE-2026-61923 is a heap-based buffer overflow vulnerability.
How can an attacker exploit CVE-2026-61923?
An attacker can exploit CVE-2026-61923 to elevate privileges locally on affected Windows systems.
Which software is affected by CVE-2026-61923?
CVE-2026-61923 affects Microsoft Windows 10, Windows 11, and various Windows Server versions.
How do I fix CVE-2026-61923?
To mitigate CVE-2026-61923, ensure that your Windows system is updated with the latest security patches from Microsoft.