CVE-2026-80097: Microsoft Authenticator Elevation of Privilege Vulnerability
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097
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-2026-800970.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-80097 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEU] [hoch] Microsoft Apps: Mehrere Schwachstellen ermöglichen Privilegieneskalationcert-bund
- unknownMultiples vulnérabilités dans les produits Microsoft (09 septembre 2026)cert-fr-avis
- unknownNCSC-2026-0351 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Developer Toolsncsc-nl
- highCVE-2026-80097: Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate …nvd
Recent advisories for Microsoft Authenticator Elevation
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-80097: Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate …nvd · 2026-09-08
- criticalCVE-2026-62916: Authentication bypass using an alternate path or channel in Microsoft Entra ID allows an unaut…nvd · 2026-09-03
- highCVE-2026-64921: Missing authentication for critical function in Microsoft Office SharePoint allows an authoriz…nvd · 2026-08-11
- highCVE-2026-62911: Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized atta…nvd · 2026-08-11
- highCVE-2026-62827: Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevat…nvd · 2026-08-11
- highCVE-2026-62698: Numeric truncation error in Microsoft Digest Authentication allows an authorized attacker to e…nvd · 2026-08-11
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