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CVE-2026-69559ImportantRevised 15 Sep

Microsoft Teams for Android Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

Origin validation error in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.

Severity
Important
CVSS base score
5.8CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Impact
Information Disclosure
EPSS, next 30 days
0.3%Higher than 22.5% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Unlikely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft Teams for Android
Weakness
CWE-346: Origin Validation Error
Issued by
Microsoft
Published
8 Sep 2026 · September 2026
Last revised
15 Sep 2026Corrected fix build number. Informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Microsoft Office
1 affected product
  • Microsoft Teams for Android
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