Google Releases Chrome Update to Patch Actively Exploited V8 Zero-Day
Google patches actively exploited Chrome V8 zero-day CVE-2026-85046 (CVSS 8.8); CISA adds it to KEV with a September 18 deadline.
Google fixed 12 Chrome vulnerabilities, including CVE-2026-85046, a high-severity (CVSS 8.8) type confusion bug in the V8 JavaScript and WebAssembly engine. The flaw, reported by researcher Salvatore Gulizia on August 4, 2026, allows remote arbitrary code execution inside the browser sandbox via a crafted HTML page. Google confirmed the exploit exists in the wild, and CISA added the CVE to its KEV catalog, requiring Federal Civilian Executive Branch agencies to patch by September 18, 2026. This is the sixth actively exploited Chrome zero-day patched in 2026.
- Type confusion in V8 (PACKED_ELEMENTS receiving PACKED_SMI_ELEMENTS map) yields arbitrary JavaScript heap read/write.
- Fixes ship in Chrome 152.0.7977.82/.83 for Windows/macOS and 152.0.7977.82 for Linux.
- CISA KEV remediation deadline for federal agencies is September 18, 2026.
- Chromium-based browsers including Edge, Brave, Opera, and Vivaldi should apply fixes when available.
- Vendors
- GoogleGoogle Chrome
- Products
- Google Chrome
- Organizations
- CISA
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-11645 | Out-of-Bounds Read/Write in Google Chrome V8 Enables In-Sandbox Code Execution | 8.8 | 2% | KEVPoC | KEV |
| CVE-2026-2441 | Use-After-Free in Google Chromium CSS Rendering Exposes Chrome, Edge, Opera Users | 8.8 | 55% | KEVPoC | KEV |
| CVE-2026-3909 | Out-of-Bounds Write in Google Chrome's Skia Rendering Engine | 8.8 | 2% | KEV | KEV |
| CVE-2026-3910 | Out-of-Bounds Memory Flaw in Google Chrome V8 Allows Sandboxed Code Execution | 8.8 | 3% | KEV | KEV |
| CVE-2026-5281 | Use-After-Free in Google Chrome's Dawn (WebGPU) Component Enables Arbitrary Code Execution | 8.8 | 14% | KEV | KEV |
| CVE-2026-85046 | Actively Exploited V8 Type Confusion in Google Chrome (CVE-2026-85046) | 8.8 | 2% | KEVPoC ×6 | KEV |
From the original article
2 min read at thehackernews.com
Google on Thursday released security updates to patch 12 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-85046 (CVSS score: 8. 8), has been described as a type confusion bug in V8, Chrome's JavaScript and WebAssembly engine.
thehackernews.com
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