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CVE-2026-104935

High CVSS 8.6 Known exploited

Published 2026-10-13 · last changed 2026-10-13 · added to CISA KEV 2026-10-13

This one is being exploited in the wild.

CISA added CVE-2026-104935 to the Known Exploited Vulnerabilities catalog on 2026-10-13. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2026-104935, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L