CVE-2026-69493: Windows Event Logging Service Remote Code Execution Vulnerability
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
Other sources
Windows Event Logging Service Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Which systems are in scope for this issue?
The affected software list includes Microsoft Windows 10, Windows 11, and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025. Systems running these platforms should be assessed, especially where the Windows Event Logging Service is reachable over the network.
Does an attacker need credentials or user interaction to exploit this?
No. The supplied severity vector indicates network attack access with low complexity, no privileges required, and no user interaction required.
What could a successful exploit allow?
A successful attacker could execute code remotely. The severity vector rates confidentiality, integrity, and availability impact as high.