CVE-2026-77897: Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
CVE-2026-77897 is a high-severity flaw (CVSS 7.0) affecting power automate for desktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.0 (High) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-23 |
| Published | 2026-09-08 |
| Last modified | 2026-09-29 |
Last updated 2026-09-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-77897?
power automate for desktop: upgrade to 2.71.115.26224. Exact commands for each OS are on this page.
Is CVE-2026-77897 being exploited?
CVE-2026-77897 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-77897 affect?
CVE-2026-77897 affects power automate for desktop. Severity is high (CVSS 7.0). Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
How urgent is CVE-2026-77897?
Priority 35/100. High severity; On your watchlist
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- CVE-2026-40374 MEDIUM 6.5 UPGRADE Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to