CVE-2026-83747: Windows Error Reporting Information Disclosure Vulnerability
Out-of-bounds read in Windows Error Reporting allows an authorized attacker to disclose information locally.
Other sources
Windows Error Reporting Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655
Event History
Frequently Asked Questions
Which systems are in scope?
Affected software includes Microsoft Windows 10 and Windows 11, plus Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
What level of access does an attacker need?
An attacker needs local access and low privileges. No user interaction is required.
Is this exposed over the network?
The attack vector is local, so the provided data does not indicate network-based exploitation.
What is the expected security impact?
The vulnerability has a high confidentiality impact through information disclosure. The provided metrics indicate no integrity or availability impact.