High severity · published Oct 13, 2026
CVE-2026-105725
Windows Security App Elevation of Privilege Vulnerability
7.0
CVSS
0.3%
EPSS
No
On KEV
Description
Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
Windows Security App · Microsoft
1000.0.0.0 before 1000.27840.1000.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105725
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105725
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105725
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