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CVE-2026-80097

Microsoft Authenticator•HIGH · CVSS 8.6•No exploitation reported

What is CVE-2026-80097?

Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.

CVSS8.6 NVD 3.1

SeverityHIGH

ExploitationNo exploitation reported

EPSS1% · P45

Triage statusNo Known Exploit

ActionPatch this week

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CWECWE-287

NVD published2026-09-08

NVD last modified2026-09-24

Timeline

2026-09-08Published to the U.S. National Vulnerability Database (NVD)
2026-09-24NVD record last updated
2026-10-28First covered in a defend.network daily briefing

Affected product

Microsoft Authenticator

References

Referenced in our briefings & reports

Apple CoreGraphics exploited; PHP RCE hits 70% of sites; HPE critical patches (2026-10-28)

Related vulnerabilities

CVE-2026-96951 – Microsoft Windows (same vendor)
CVE-2026-75682 – Adobe Connect (same vendor)
CVE-2026-85889 – Microsoft Azure Ai Foundry (same vendor)
CVE-2026-69730 – Microsoft Windows (same vendor)
CVE-2026-69829 – Microsoft Windows (same vendor)
CVE-2026-81963 – Microsoft Windows (same vendor)

Microsoft: 390 known exploited vulnerabilities (CISA KEV) →

Browse all tracked CVEs in the defend.network CVE database →

🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.