Medium severity · published Sep 8, 2026
CVE-2026-69559
Microsoft Teams for Android Information Disclosure Vulnerability
6.3
CVSS
0.3%
EPSS
No
On KEV
Description
Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% 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 1.0.0.2026142702 · source: vendor
TE
Teams · Microsoft
before 1.0.0.2026142702 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69559
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-69559
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69559
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