MSRC-CVE-2022-44677 — Windows Projected File System Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?
Any authenticated user could trigger this vulnerability. It does not require admin or other elevated privileges.

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
10.0.17763.3770 — https://support.microsoft.com/help/5021237
10.0.19043.2364 — https://support.microsoft.com/help/5021233
10.0.20348.1366 — https://support.microsoft.com/help/5021249
10.0.22000.1335 — https://support.microsoft.com/help/5021234
10.0.22621.993 — https://support.microsoft.com/help/5021255

Vulnerabilities 1

High 7.8

CVE-2022-44677

Windows Projected File System Elevation of Privilege Vulnerability

Windows Projected File System Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 13, 2022

Revision history

2022-12-13 #1
Information published.

References

CVE-2022-44677 Windows Projected File System Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-44677
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss