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

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-08-16

EPSS Score

0.92% (percentile: 58.7%)

Description

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

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Personally Identifiable Information (PII).

Affected Products (1)

Microsoft Office

• Microsoft Teams for iOS

Security Updates (1)

• Release Notes

Acknowledgments

Ofek Levin Enclave with <a href="https://enclave.ai/">Enclave</a>

Revision History

• 2026-08-11: Information published.
• 2026-08-16: Corrected build number for the security update. This in an informational change only.