CVE-2026-96846: WebDAV Information Disclosure Vulnerability
Out-of-bounds read in WebDAV allows an authorized attacker to disclose information locally.
Other sources
WebDAV Information Disclosure 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 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must already be authorized and have local access to an affected Windows system. The available data does not indicate that unauthenticated or remote exploitation is possible.
What is the likely security impact?
Successful exploitation can disclose information through an out-of-bounds read in WebDAV. The supplied severity vector indicates high confidentiality impact, with no stated integrity or availability impact.
Which systems should be reviewed?
Review Microsoft Windows 10 and Windows 11 endpoints, plus Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025 systems that use WebDAV. The data does not identify specific affected build or update versions.