Description
Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker to elevate privileges locally.
Published: 2026-07-14
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker with user‑level access to elevate privileges locally; the weakness is a classic CWE‑59 link following flaw.

Affected Systems

Microsoft Windows 10 versions 1809, 21H2, 22H2; Windows 11 versions 24H2, 25H2, 26H1; Windows Server 2019, 2022 and 2025, including Server Core installations.

Risk and Exploitability

The CVSS score of 7.8 indicates a moderate severity vulnerability with local impact. The EPSS score of less than 1% shows a low probability of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is local, requiring the attacker to be authorized on the affected system.

Generated by OpenCVE AI on July 31, 2026 at 07:59 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the official Microsoft security update for the affected Windows builds via the Microsoft Security Response Center.
  • Reboot the system after the update to ensure the patch is fully applied.
  • If the patch is not yet available, limit user access to the Windows Projected File System or follow Microsoft guidance to disable link following features until the fix is deployed.

Generated by OpenCVE AI on July 31, 2026 at 07:59 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 15 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 14 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker to elevate privileges locally.
Title Windows Projected File System Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-59
CPEs cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7.8, 'vector': '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'}

Subscriptions

Microsoft Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 Windows Server 2019 Windows Server 2022 Windows Server 2025
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-07-30T20:24:46.279Z

Reserved: 2026-06-04T18:59:17.978Z

Link: CVE-2026-50469

cve-icon Vulnrichment

Updated: 2026-07-15T10:42:07.616Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T08:00:04Z

Weaknesses
  • CWE-59

    Improper Link Resolution Before File Access ('Link Following')