CVE-2026-77897: Microsoft Power Automate Desktop Elevation of Privilege Vulnerability
Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77897
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-2026-778970.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-77897 | 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 Dynamics 365 und Microsoft Power Automate Desktop: Mehrere Schwachstellencert-bund
- unknownNCSC-2026-0348 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Dynamicsncsc-nl
- highCVE-2026-77897: Relative path traversal in Power Automate allows an authorized attacker to elevate privileges …nvd
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