CVE-2026-65767 Microsoft CVE debrief

Who should care

Users of Microsoft Teams for Android, particularly those in environments where spoofing attacks could have significant impacts, such as large enterprises or organizations with sensitive data, should be aware of this vulnerability and take steps to patch their installations. Operators and security teams should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is caused by improper neutralization of input during web page generation in Microsoft Teams for Android. This allows an authorized attacker to perform spoofing over a network. The CVSS score for this vulnerability is 8.8, indicating a high severity. Affected product context suggests that Microsoft Teams for Android users should prioritize patching to prevent potential spoofing attacks.

Defensive priority

Microsoft Teams for Android users should prioritize patching to prevent potential spoofing attacks.

Recommended defensive actions

• Apply the latest patch for Microsoft Teams for Android
• Verify that Microsoft Teams for Android is updated to version 1.0.76.202611302 or later
• Monitor Microsoft Teams for Android for any suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record indicates improper neutralization of input during web page generation, allowing an authorized attacker to perform spoofing over a network. Microsoft Teams for Android versions prior to 1.0.76.202611302 are vulnerable. Evidence limits suggest that additional verification may be required to confirm affected scope and severity. Defenders should verify patch deployment and monitor for suspicious activity.

Official resources