Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-67304

CVE-2026-67304HIGH

FreeRDP before 3.29.0 NULL Dereference via smartcard cleanup

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   N   N   H    8.7   .0065   49.4     —

AFFECTED
  Product  Versions     Fixed
  FreeRDP  unspecified  3.29.0

TIMELINE
  Jul 29  Reserved by VulnCheck
  Aug 1   Published (CNA: VulnCheck)
  Sep 8   EXPLOIT PUBLISHED — CVE-2026-67304 (FreeRDP). Public exploit reference added.

CWE-476 · CNA: VulnCheck · CVSS v4.0 · 3 references · NVD status: Analyzed

Description

FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard device control request cleanup when reader-state decoding fails. Attackers can send malformed smartcard IRP requests with non-zero cReaders and truncated reader-state data to crash the process via null pointer access in free_reader_states functions.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 29, 2026	Reserved	Reserved by VulnCheck
August 1, 2026	Published	Published (CNA: VulnCheck)
September 8, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-67304 (FreeRDP). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
FreeRDP	FreeRDP	—	—	3.29.0

Weaknesses

CWE-476

References (3)

https://github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d141444 [Patch]
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5 [Exploit, Vendor Advisory]
https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanup [Patch, Third Party Advisory]

Authoritative record: CVE-2026-67304 at cve.org

Vendors: freerdp

Weaknesses: CWE-476

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-67304 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.