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CVE-2026-111793

Medium CVSS 4.3 Known exploited

Published 2026-10-16 · last changed 2026-11-10 · added to CISA KEV 2026-11-10

This one is being exploited in the wild.

CISA added CVE-2026-111793 to the Known Exploited Vulnerabilities catalog on 2026-11-10. 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-2026-111793, 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

Openwave Webtop Media Transcoder does not enforce administrator-defined file type restrictions to restrict the file-types to be converted. This may allow an authenticated user to process and convert unintended document types if bypassing the Webmail experience.

Sources

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