Security · 27 October 2026
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PHP releases rebuilt Windows packages to fix Brotli CVE-2026-111497

PHP rebuilt its official Windows packages for versions 8.2‑8.5 (8.5.12‑1, 8.4.27‑1, 8.3.36‑1, 8.2.35‑1) to include Brotli 1.2.1 and close CVE‑2026‑111497, a memory‑corruption flaw reachable via the cURL extension.

Why it matters

Upgrade Windows PHP installations to the rebuilt packages to close CVE‑2026‑111497 and avoid code‑execution risk.

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