CVE-2026-61347: Windows Event Logging Service Information Disclosure Vulnerability
Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.
Other sources
Windows Event Logging Service Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
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Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
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Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
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Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
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Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
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Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 6.3.9600.23338Patch KB5120385 - Upgrade
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Fixed in 6.2.9200.26280Patch KB5120386 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26200.9168Fixed in 10.0.26200.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26200.9106Patch KB5120994
Event History
Frequently Asked Questions
What is the severity of CVE-2026-61347?
CVE-2026-61347 has a medium severity rating of 5.5.
How does CVE-2026-61347 affect Microsoft Windows?
CVE-2026-61347 affects Microsoft Windows 10, Windows 11, and various Windows Server versions, allowing information disclosure.
What is the risk associated with CVE-2026-61347?
CVE-2026-61347 poses a risk of information disclosure to authorized attackers through a buffer over-read.
Can CVE-2026-61347 be exploited remotely?
No, CVE-2026-61347 requires local access for an attacker to exploit the vulnerability.
How can I mitigate CVE-2026-61347 in my environment?
To mitigate CVE-2026-61347, ensure your systems are updated with the latest security patches from Microsoft.