PatchSiren cyber security CVE debrief

CVE-2026-50511 Microsoft CVE debrief

CVE-2026-50511 is a HIGH-severity vulnerability (CVSS Score: 7.8) affecting Microsoft PC Manager. The vulnerability is caused by improper link resolution before file access, also known as 'link following.' An authorized attacker can exploit this vulnerability to elevate privileges locally.

Vendor: Microsoft
Product: Microsoft PC Manager
CVSS: HIGH 7.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-09
Advisory published: 2026-06-09
Advisory updated: 2026-06-09

Who should care

Users of Microsoft PC Manager should prioritize patching this vulnerability to prevent local privilege escalation.

Technical summary

The vulnerability exists due to improper link resolution before file access in Microsoft PC Manager. This allows an authorized attacker to elevate privileges locally. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 7.8, indicating a HIGH severity level.

Defensive priority

High

Recommended defensive actions

Apply patches or updates provided by Microsoft as soon as possible.
Ensure that Microsoft PC Manager is updated to the latest version.
Consider implementing additional security measures to prevent local privilege escalation.

Evidence notes

The CVE record was published on 2026-06-09T18:17:06.520Z and last modified on 2026-06-09T19:32:51.440Z. The vulnerability is tracked under CWE-59.

Official resources

CVE-2026-50511 was published on 2026-06-09T18:17:06.520Z.