Chrome, Firefox updates patch 115 vulnerabilities

Google released Chrome 153 fixing 42 vulnerabilities, including three critical (CVE-2026-91726 in WebGL and two use-after-free in Internals and Workers). Mozilla closed 73 flaws in Firefox 156, 29 rated high; Thunderbird and Firefox ESR also patched. No known in-the-wild exploitation.

• Chrome 153: 42 vulnerabilities, 3 critical and 28 high severity
• Firefox 156: 73 vulnerabilities, including 29 high severity
• Google paid only $2,500 across 16 external reports
• Patches also shipped for Thunderbird 156 and Firefox ESR 153.3