CVE-2026-121960
highFreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredSSP TSRequest omits negoTokens.
FreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredSSP TSRequest omits negoTokens. Unauthenticated attackers can send a crafted seven-byte TSRequest containing only the version field to trigger a fatal WINPR_ASSERT and abort the server process.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-11-04 16:17
Modified: 2026-11-04 19:17
NVD status: Undergoing Analysis
Last synced 6 hours ago
Verified against the source API 2026-11-04 19:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3pg4-5r42-wxvj disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-unauthenticated-denial-of-servi... disclosure@vulncheck.com
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3pg4-5r42-wxvj 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 19:35 UTC · record ↗