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PatchSiren cyber security CVE debrief

CVE-2026-65767 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:55.997Z and has not been modified since then. This vulnerability, CVE-2026-65767, is related to improper neutralization of input during web page generation in Microsoft Teams for Android, allowing an authorized attacker to perform spoofing over a network. The CVSS score for this vulnerability is 8.8, indicating a high severity. Users of Microsoft Teams for Android should be aware of this vulnerability and take steps to patch their installations. The affected product context suggests that Microsoft Teams for Android users should prioritize patching to prevent potential spoofing attacks. Evidence limits suggest that additional verification may be required to confirm affected scope and severity.

Vendor
Microsoft
Product
Microsoft Teams for Android
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-16
Advisory published
2026-08-11
Advisory updated
2026-08-16

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-65767 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-65767

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-65767 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-65767

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.