CVE-2026-85046
Google Chrome
Published 3 Sept 2026 · updated 21 Sept 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 4 Sept 2026, with a remediation deadline of 18 Sept 2026 for US federal agencies.
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Description
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)
References
- chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html · Release Notes, Vendor Advisory
- issues.chromium.org/issues/542403045 · Permissions Required
- github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md · Exploit, Third Party Advisory
- github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67 · Patch
- news.ycombinator.com/item?id=49570669 · Issue Tracking, Third Party Advisory
- serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/ · Exploit, Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046 · US Government Resource