CVE-2026-65767: Microsoft Teams for Android Spoofing Vulnerability

highCVSS 8.8CVE-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.

CSIRTS triage

vendor: Microsoft product: Teams Cross-site scripting

What: Improper input neutralization in Microsoft Teams for Android allows cross-site scripting attacks enabling spoofing.
Who is affected: Users of Microsoft Teams on Android and iOS platforms.
Urgency: High severity (CVSS 8.8) with network-accessible spoofing capability; prompt remediation needed.
Action: Update Microsoft Teams to the latest version on Android and iOS devices.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 8.8
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65767

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-657670.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-65767	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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