CVE-2026-41614 M365 Copilot for Desktop Spoofing Vulnerability
An unauthorized attacker can perform local spoofing in M365 Copilot for Desktop due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-41614?
CVE-2026-41614 is a medium-severity missing authorization vulnerability in Microsoft 365 Copilot, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Weakness: CWE-284
Which versions are affected by CVE-2026-41614?
It affects 1 product.
Products include Microsoft 365 Copilot.
How do I fix CVE-2026-41614?
No fix has been published for CVE-2026-41614 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-41614 being exploited?
There is no known exploitation of CVE-2026-41614 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-r8h5-x7jj-cjjx.