CVE-2023-23391 Office for Android Spoofing Vulnerability
Attackers can exploit a path traversal flaw in Microsoft Office for Android to spoof content, bypassing security controls.
- 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-2023-23391?
CVE-2023-23391 is a medium-severity path traversal vulnerability in Microsoft 365 Copilot, published on 14 Mar 2023. 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
Office for Android Spoofing Vulnerability
Weakness: CWE-23
Which versions are affected by CVE-2023-23391?
It affects 1 product.
Products include Microsoft 365 Copilot.
How do I fix CVE-2023-23391?
No fix has been published for CVE-2023-23391 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-2023-23391 being exploited?
There is no known exploitation of CVE-2023-23391 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-jhrg-67r8-67rw.