Memory Corruption in Go Compiler (cmd/compile) <1.25.9, 1.26.0-1.26.2
CVE-2026-27144 Published on April 8, 2026
Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile
The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime.
Vulnerability Analysis
CVE-2026-27144 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Products Associated with CVE-2026-27144
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Affected Versions
Go toolchain cmd/compile:- Before 1.25.9 is affected.
- Version 1.26.0-0 and below 1.26.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.