CVE-2026-41091 Microsoft Microsoft Malware Protection Engine
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
- CVSS
- 7.8 High
- EPSS
- 8.2%
- Percentile
- 95
- Published
- 2026-05-20
- Force
- 10 of 12
- Public PoC
- 4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
On CISA’s exploited list
Microsoft Defender Link Following Vulnerability
- Added
- 2026-05-20
- Federal patch deadline
- 2026-06-03
- Ransomware use
- not known