CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

CVE-2026-46285: mtd: docg3: fix use-after-free in docg3_release()

highCVSS 7.1CVE-2026-46285

CSIRTS triage

What
There is a use-after-free vulnerability in docg3_release().
Who is affected
Deployments using the mtd subsystem.
Urgency
Remediation is urgent due to the high severity of the vulnerability.
Action
Update to the latest version of the mtd subsystem.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch mtd

Get an email when a new mtd advisory drops — max one per day, one-click unsubscribe.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.1
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46285

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-46285coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

More from Microsoft Security Response Center