CVE-2026-65769: Microsoft Teams iOS Information Disclosure Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-11 · updated 2026-10-30
Weakness: CWE-200

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.

Affected products

Microsoft Teams: before 8.8.1 — fixed in 8.8.1
Microsoft Teams: from 2.0.0 before 8.14.1 — fixed in 8.14.1

How to fix

Upgrade to a fixed version: Microsoft Teams 8.8.1; Microsoft Teams 8.14.1. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65769

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