Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2024-38127

Vulnerability identifier: #VU95859

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-38127

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Windows Hyper-V. A local user can trigger an out-of-bounds read error and read contents of memory on the system, leading to privilege escalation.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4780, 10 22H2 10.0.19045.4529, 10 22H2 10.0.19045.4780, 10 1507 10.0.10240.20751, 10 1607 10.0.14393.7259, 10 1809 10.0.17763.6189, 11 21H2 10.0.22000.3147, 11 22H2 10.0.22621.4037, 11 23H2 10.0.22631.4037
Windows Server - addressed in versions 2008 R2 6.1.7601.27277, 2012 R2 6.3.9600.22134, 2012 6.2.9200.25031, 2016 10.0.14393.7259, 2022 10.0.20348.2655

• Exploit #10528 - CVE-2024-38127 (September 20, 2024)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-38127

• Privilege escalation in Microsoft Windows Hyper-V