High severity · published Jun 9, 2026
CVE-2026-42835
Microsoft Teams for Android Information Disclosure Vulnerability
8.1
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Microsoft Teams for Android · Microsoft
1.0.0 before 1.0.76.2026111302 · source: vendor
TE
Teams · Microsoft
before 1.0.76.2026111302 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42835
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42835
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42835
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