CVE-2026-27143

Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.

  • Published Apr 8, 2026
  • CVSS 9.8 critical
  • 0.7% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2026-27143 at the National Vulnerability Database