Microsoft Security Response Center guidance
Release Notes
Overview
What is CVE-2025-10911?
A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash.
CVE intelligence
CVE-2025-10911
Vulnerability intelligence
5.5MEDIUMCVSS out of 10
What this means
Review the available evidence
CVE-2025-10911 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Remediation and response
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships