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Wire · regulatory

Google fixes yet another actively exploited Chrome zero-day (CVE-2026-87491)

9 September 2026 · By · Wire by Fusion42

Published

9 September 2026

Topic

regulatory

◆ Sectors

Cybersecurity

◆ Geography

United States

◆ Source

Read at helpnetsecurity.com →

◆ Verified

Fusion42 · 9 September 2026 · Fusion42 review

Google patched a medium-severity zero-day vulnerability CVE-2026-87491 in Chrome's V8 engine that allowed remote code execution, marking the seventh actively exploited Chrome zero-day fixed in 2026.

This Wire brief sits within Fusion42's coverage of Cybersecurity, and 5 sources have reported it between 4 Sep 2026 and 9 Sep 2026.

◆ ◆ The Wire takeaway

You must prioritise patching Chrome immediately to prevent attackers exploiting this zero-day to execute code remotely. Delay increases risk of compromise from a vulnerability actively used in the wild.

◆ Coverage

5 sources · first reported 4 Sep 2026 · latest 9 Sep 2026

◆ Related on Wire

◆ Topics

Cybersecuritychromezero-dayvulnerabilitysecurity-patchexploit