CVE-2026-26117

HIGH 7.8CVE-2026-26117 · Published 10/03/2026 · updated 17/06/2026

In short

CVE-2026-26117 is a HIGH (CVSS 7.8) vulnerability affecting arc enabled servers azure connected machine agent (microsoft).
Chance of exploitation in the next 30 days (EPSS): 0.48%, higher than 41.7% of all vulnerabilities.
Fix: update to 1.61 or later.

Package	Affected versions	Patched versions
arc enabled servers azure connected machine agent microsoft	`≥ 1.0.0, < 1.61`	`1.61`

Description

Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117 · Vendor Advisory

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