Cyber Resilience

CVE-2026-8695

HighPublic PoC

Published: 15 May 2026

Published
15 May 2026
Modified
18 May 2026
KEV Added
Patch
CVSS Score v4 8.7 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: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
EPSS Score 0.0063 45.6th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8695 is a high-severity Use After Free (CWE-416) vulnerability in Radare Radare2. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 45.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_threads_list() function that allows remote attackers to trigger memory corruption by sending a valid qfThreadInfo response followed by a malformed qsThreadInfo response. Attackers can exploit this vulnerability through GDB remote debugging to…

more

cause a denial of service or potentially achieve code execution by manipulating thread list processing.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
Why these techniques?

Use-after-free in radare2 GDB client enables remote code execution via malicious server responses, directly mapping to client-side exploitation.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-8696Same product: Radare Radare2
CVE-2025-1744Same product: Radare Radare2
CVE-2026-40499Same product: Radare Radare2
CVE-2026-40517Same product: Radare Radare2
CVE-2026-40527Same product: Radare Radare2
CVE-2026-6941Same product: Radare Radare2
CVE-2026-6940Same product: Radare Radare2
CVE-2025-1864Same product: Radare Radare2
CVE-2025-1916Shared CWE-416
CVE-2025-0762Shared CWE-416

Affected Assets

radare
radare2
≤ 6.1.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References