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CVE-2026-23948

25
FAUCET Score

CVE-2026-23948 is a NULL pointer dereference vulnerability in FreeRDP, a free implementation of the Remote Desktop Protocol, affecting versions prior to 3.22.0. A malicious RDP server can exploit this by sending a specially crafted LogonInfoV2 PDU, causing the FreeRDP proxy to crash. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and no user interaction required, leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.22.0CPE matchmatch criteria
cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.9MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
37.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 16th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: freerdp
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: freerdp
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: freerdp

Vendor Advisories (1)

redhatCVE-2026-23948Moderate

freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2()

Feb 9, 2026

References

github.com / FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
Patch
github.com / FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5
PatchVendor Advisory