CVE-2023-32056 Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
Attackers can exploit a path traversal flaw in WSUS to elevate privileges on affected Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-32056?
CVE-2023-32056 is a high-severity path traversal vulnerability in Microsoft Windows 10 1809, published on 11 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
Weakness: CWE-59
Which versions are affected by CVE-2023-32056?
It affects 7 products.
Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11 22h2, Microsoft Windows Server 2019 and 1 more.
How do I fix CVE-2023-32056?
No fix has been published for CVE-2023-32056 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-32056 being exploited?
There is no known exploitation of CVE-2023-32056 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1809
- CVE-2024-29988 Microsoft SmartScreen Prompt Security Feature Bypass
- CVE-2024-21412 Microsoft Windows Internet Shortcut Files Security Feature Bypass
- CVE-2025-62221 Microsoft Windows Use After Free
- CVE-2025-30400 Microsoft Windows DWM Core Library Use-After-Free
- CVE-2024-21338 Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control
Sources
Also known as GHSA-vw92-69jm-2965.