CVE-2025-53799 Windows Imaging Component Information Disclosure Vulnerability
An unauthorized local attacker can exploit uninitialized resources in the Windows Imaging Component to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-53799?
CVE-2025-53799 is a medium-severity vulnerability in Microsoft 365 Copilot, published on 9 Sep 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally.
Weakness: CWE-908
Which versions are affected by CVE-2025-53799?
It affects 16 products.
Products include Microsoft 365 Copilot, Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2 and 10 more.
How do I fix CVE-2025-53799?
No fix has been published for CVE-2025-53799 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53799 being exploited?
There is no known exploitation of CVE-2025-53799 in the wild and no public exploit code.
Other vulnerabilities in Microsoft 365 Copilot
- CVE-2026-85885 Microsoft 365 Copilot Elevation of Privilege Vulnerability
- CVE-2026-50517 Microsoft M365 Copilot Remote Code Execution Vulnerability
- CVE-2026-54130 M365 Copilot Information Disclosure Vulnerability
- CVE-2025-60724 GDI+ Remote Code Execution Vulnerability
- CVE-2025-53766 GDI+ Remote Code Execution Vulnerability
Sources
Also known as GHSA-4c43-mrmc-223j.