CVE-2026-85090: FreeRDP FreeRDP

FreeRDP before 3.31.0 Heap Out-of-Bounds Read via AVC444

CVSS 5.3 MediumEPSS 0.0028 · 20th percentile

Published by the CVE Program (CNA: VulnCheck) at 3 Sept 2026, 01:04 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
FreeRDP	FreeRDP	affected 3.0.0 to before 3.31.0 semver unaffected 3.31.0 semver Other versions: unaffected

Identifiers

CVE-2026-85090

CNA

VulnCheck

Weakness (CWE)

CWE-125

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0028, the 20th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 3 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-57h7-vw2f-2f9x vendor-advisory
github.com/FreeRDP/FreeRDP/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1 patch
github.com/FreeRDP/FreeRDP/releases/tag/3.31.0 release-notes
github.com/FreeRDP/FreeRDP/blob/3.30.0/libfreerdp/primitives/prim_YUV.c technical-description
github.com/FreeRDP/FreeRDP product
www.vulncheck.com/advisories/freerdp-before-3.31.0-heap-out-of-bounds-read-via-avc444 third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.