CVE-2025-21340 — Improper Access Control in Microsoft Windows 10 Version 1809

CWE-284 — Improper Access Control4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 77.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
27
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+24 more
Timeline
PublishedJan 14

Description

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages27 packages

▶NVDmicrosoft/windows< 10.0.17763.6775+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.6775
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5371
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.5371
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.4751

Patches

Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

1
GHSA
GHSA-8g2m-ppjp-6hg7: Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability↗2025-01-14
▶

📋Vendor Advisories

1
Microsoft
Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability↗2025-01-14
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft January 2025 Patch Tuesday fixes 8 zero-days, 159 flaws↗2025-01-14
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CVE-2025-21340 — Improper Access Control in Microsoft | cvebase