What is CVE-2026-85046?
Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Timeline
- 2026-09-03Published to the U.S. National Vulnerability Database (NVD)
- 2026-09-04Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-09-06First covered in a defend.network daily briefing
- 2026-09-18CISA federal remediation deadline (BOD 22-01)
- 2026-09-21NVD record last updated
CISA Known Exploited Vulnerability
Google Chromium V8 Type Confusion Vulnerability
Affected product
Google Chromium V8
NVD also lists CPE entries for: Google Chrome, Google V8
Remediation Steps
- Apply the vendor security update for Google Chrome as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
- https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md
- https://issues.chromium.org/issues/542403045
- https://nvd.nist.gov/vuln/detail/CVE-2026-85046
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 4 of September 2026 (September 28 – October 4)
- Vulnerability Priority Report – Week 3 of September 2026 (September 21 – 27)
- Vulnerability Priority Report – Week 2 of September 2026 (September 14 – 20)
- Vulnerability Priority Report – Week 1 of September 2026 (September 7 – 13)
- Vulnerability Priority Report – Week 5 of August 2026 (August 31 – September 6)
- MikroTik routers, Magento zero-day, and Chromium V8 actively exploited (2026-09-07)
- VMware, Magento, JetBrains hit by active exploits; credentials compromised (2026-09-06)
Browse all tracked CVEs in the defend.network CVE database →
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.