Is CVE-2026-13574 actively exploited?

No active exploitation of CVE-2026-13574 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-13574 be exploited remotely?

No. CVE-2026-13574 requires local access to exploit.

What is the CVSS score of CVE-2026-13574?

CVE-2026-13574 has a CVSS score of 3.3 (LOW).

HOME VULNERABILITIESCVE-2026-13574

LOW

CVE-2026-13574

CWE-119Published: June 29, 2026· Updated: Jul 1, 2026

3.3

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:2.5th

Official Description

A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-13574 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.