CVE-2026-105725
Windows Security App Elevation of Privilege Vulnerability
Microsoft Windows Security AppOperating systems
CVSS
7.0HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 1000.27840.1000.0Windows Security AppCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
Text from CVE List
Affected versions 1
- Windows Security Appaffected: 1000.0.0.0 before 1000.27840.1000.0CVE List