CVE-2026-69559 Microsoft Teams for Android Information Disclosure Vulnerability
An origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose sensitive information over the network.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-69559?
CVE-2026-69559 is a medium-severity vulnerability in Microsoft Teams for Android, published on 8 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
Weakness: CWE-346
Which versions are affected by CVE-2026-69559?
It affects 1 product.
Products include Microsoft Teams.
How do I fix CVE-2026-69559?
No fix has been published for CVE-2026-69559 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-69559 being exploited?
There is no known exploitation of CVE-2026-69559 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Teams for Android
- CVE-2026-65667 Microsoft Teams Elevation of Privilege Vulnerability
- CVE-2026-62896 Microsoft Teams Elevation of Privilege Vulnerability
- CVE-2026-33823 Microsoft Team Events Portal Information Disclosure Vulnerability
- CVE-2026-65767 Microsoft Teams for Android Spoofing Vulnerability
- CVE-2026-65768 Microsoft Teams Remote Code Execution Vulnerability
Sources
Also known as GHSA-ww7p-222c-ww69.