Chrome and Firefox patch more than 180 security flaws
Nov 12, 2026 · Summarized by Fundy Tech from SecurityWeek
Google and Mozilla released major browser updates that fix more than 180 vulnerabilities. The updates cover critical Chrome bugs and 99 Firefox flaws, but neither company says the bugs are being exploited in the wild.
Key points
- Chrome 157 fixes 83 flaws, including five critical use-after-free bugs.
- Firefox 160 patches 99 vulnerabilities, including 57 high-severity issues.
- Mozilla also updated Thunderbird 160 and ESR releases.
Why it matters
Browser updates are one of the simplest ways to reduce risk for small businesses and households. These fixes close code execution, sandbox escape, and privilege escalation bugs that could be abused through ordinary web browsing. Updating quickly helps protect devices used for banking, work, and email.
Who’s affected: Chrome, Firefox, and Thunderbird users
What to do
- Update Chrome and Firefox now.
- Restart browsers after updating.
- Keep Thunderbird and ESR versions current if you use them.
Original reporting
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