Microsoft Authenticator is widely deployed; local privilege escalation can expose credentials/MFA and impact many enterprises.
CVE-2026-80097
Local privilege escalation in Microsoft Authenticator permits unauthorized elevation.
Is CVE-2026-80097 being exploited?
Not confirmed. CVE-2026-80097 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-80097?
CVE-2026-80097 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-80097?
Yes. A fix has been recorded for CVE-2026-80097. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-80097 affect?
CVE-2026-80097 affects Microsoft Authenticator. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-80097?
Apply vendor update ASAP; restrict Authenticator access and monitor authentication logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local privilege escalation: bypass Authenticator protections to elevate privileges, access tokens/credentials, or approve MFA requests.
Immediate action required
- affected>= 6.0.0 and < 16.3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.