CVE-2026-42835 Microsoft Teams for Android Information Disclosure Vulnerability
An authorized attacker can disclose information over a network via injection in Microsoft Teams for Android.
- 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-2026-42835?
CVE-2026-42835 is a high-severity vulnerability in Microsoft Teams for Android, published on 9 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
Weakness: CWE-74
Which versions are affected by CVE-2026-42835?
It affects 1 product.
Products include Microsoft Teams.
How do I fix CVE-2026-42835?
No fix has been published for CVE-2026-42835 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-42835 being exploited?
There is no known exploitation of CVE-2026-42835 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-mqcp-h3mm-5h8v.