Detections
Analytics

CVE-2026-11645

high

Description

Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

References

https://www.securityweek.com/no-patch-planned-for-exploited-arista-eos-vulnerability/

https://thehackernews.com/2026/06/cisa-adds-cisco-chrome-and-arista-flaws.html

https://securityaffairs.com/193464/security/u-s-cisa-adds-cisco-catalyst-sd-wan-arista-extensible-operating-system-eos-and-google-chromium-v8-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.theregister.com/security/2026/06/09/chromes-zero-day-whac-a-mole-continues-with-fifth-exploited-bug-of-the-year/5252689

https://www.securityweek.com/google-patches-5th-chrome-zero-day-exploited-in-2026/

https://www.malwarebytes.com/blog/bugs/2026/06/update-chrome-google-patches-actively-exploited-vulnerability-and-73-others

https://www.infosecurity-magazine.com/news/google-patch-chrome-vulnerability/

https://www.hipaajournal.com/check-point-vpn-google-chrome-vulnerabilities-under-active-exploitation/

https://www.helpnetsecurity.com/2026/06/09/google-chrome-zero-day-cve-2026-11645/

https://www.cisa.gov/news-events/alerts/2026/06/09/cisa-adds-three-known-exploited-vulnerabilities-catalog

https://www.bleepingcomputer.com/news/security/google-patches-fifth-chrome-zero-day-bug-exploited-in-attacks-this-year/

https://thehackernews.com/2026/06/chrome-v8-zero-day-cve-2026-11645.html

https://securityaffairs.com/193371/hacking/google-fixes-fifth-actively-exploited-chrome-zero-day-of-2026.html

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645

https://issues.chromium.org/issues/506689381

Details

Source: Mitre, NVD

Published: 2026-06-09

Updated: 2026-06-09

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.0008