Vulnerability · Published Jan 9, 2024 · Assigned by microsoft

CVE-2024-21305Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass Vulnerability

Medium 4.4

In plain English

A medium-severity incorrect permission assignment in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)1.5%top 25.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Hypervisor-Protected Code Integrity (HVCI) Security Feature Bypass Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.5329
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.5329
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.5329
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.5329
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.2227
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.2713
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.3930
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.3007
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.3930
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.3007
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.3007
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.643

Weakness: CWE-732 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

References