CVE-2026-41091
HIGH KEVMicrosoft Defender Elevation of Privilege Vulnerability
Title source: cnaDescription
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Microsoft Defender Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091
Scores
CVSS v3
7.8
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2026-05-20
VulnCheck KEV
2026-05-19
CWE
CWE-59
Status
published
Products (1)
Microsoft/Microsoft Malware Protection Engine
-
Published
May 20, 2026
KEV Added
May 20, 2026
Tracked Since
May 20, 2026