What is CVE-2026-65767?

CVE-2026-65767 is a high-severity vulnerability in Microsoft Teams For Android, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-08-11.

How severe is CVE-2026-65767?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Microsoft Teams For Android

CVE-2026-65767

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Teams for Android allows an authorized attacker to perform spoofing over a network.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-08-11 · last modified 2026-08-16.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.002

Affected products

Microsoft Teams For Android — versions 1.0.0
Microsoft Teams

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Microsoft Teams for Android Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-65767?: CVE-2026-65767 is a high-severity vulnerability in Microsoft Teams For Android, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-08-11.
How severe is CVE-2026-65767?: High severity. CVSS v3 base score is 8.8 out of 10.