CVE-2026-23883 is a critical use-after-free vulnerability in FreeRDP versions prior to 3.21.0, affecting the Remote Desktop Protocol implementation. A malicious server can trigger this flaw, leading to a client-side crash (Denial of Service) and potentially heap corruption with a risk of arbitrary code execution. This vulnerability has a CVSS score of 9.8 (Critical) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and concern.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.21.0CPE matchmatch criteria | cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.