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CVE-2026-80092 Microsoft CVE debrief

Microsoft Identity Web vulnerability allows authentication bypass, potentially enabling attackers to elevate privileges. This medium-severity vulnerability affects Microsoft Identity Web deployments, allowing authorized attackers to bypass authentication and potentially elevate privileges over a network. Defenders and administrators should assess exposure, prioritize verification and remediation, and monitor for potential authentication bypass attempts. The vulnerability is described in official CVE and NVD records, and defenders should review these sources for further information.

Vendor
Microsoft
Product
microsoft-identity-web
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-17
Advisory published
2026-10-16
Advisory updated
2026-10-17

Who should care

Defenders and administrators of Microsoft Identity Web deployments should assess exposure and prioritize verification and remediation. They should also monitor for potential authentication bypass attempts and review official CVE and NVD records for further information. Security teams and vulnerability management teams should also be aware of this vulnerability and its potential impact on their organizations.

Why it matters

CVE-2026-80092 is a medium-severity vulnerability in Microsoft Identity Web that could allow authorized attackers to elevate privileges. Defenders and administrators should assess exposure, prioritize verification and remediation, and monitor for potential authentication bypass attempts.

  • Potential privilege elevation for authorized attackers
  • Authentication bypass attempts may be detectable
  • Remediation priority for exposed deployments

Technical summary

CVE-2026-80092 is an authentication bypass vulnerability in Microsoft Identity Web that could allow an authorized attacker to elevate privileges over a network. The vulnerability affects Microsoft Identity Web deployments and allows attackers to bypass authentication, potentially leading to privilege elevation. Defenders and administrators should assess exposure, prioritize verification and remediation, and monitor for potential authentication bypass attempts.

Defensive priority

Assess exposure, prioritize verification and remediation

Recommended defensive actions

  • Assess exposure to Microsoft Identity Web
  • Verify and apply vendor remediation
  • Monitor for potential authentication bypass attempts

Evidence notes

Official CVE and NVD records describe authentication bypass vulnerability in Microsoft Identity Web. The CVE record was published on 2026-10-16T18:18:37.640Z and has not been modified since then. The vulnerability allows an authorized attacker to elevate privileges over a network. Defenders and administrators should assess exposure, prioritize verification and remediation, and monitor for potential authentication bypass attempts.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-80092 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-80092

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

  • CVE-2026-80092 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-80092

    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.