CVE-2026-65767 Microsoft Teams for Android Spoofing Vulnerability

High 8.8 Published 11 Aug 2026 Updated 28 Oct 2026

An authorized attacker can perform spoofing via cross-site scripting in Microsoft Teams for Android, requiring a patch to mitigate.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-65767?

CVE-2026-65767 is a high-severity cross-site scripting vulnerability in Microsoft Teams for Android, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Teams for Android allows an authorized attacker to perform spoofing over a network.

Weakness: CWE-79

Which versions are affected by CVE-2026-65767?

It affects 1 product.

Products include Microsoft Teams.

How do I fix CVE-2026-65767?

No fix has been published for CVE-2026-65767 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-65767 being exploited?

There is no known exploitation of CVE-2026-65767 in the wild and no public exploit code.

Sources

Also known as GHSA-mf53-3wq6-8v46.