CVE-2026-85046 KEV
8.8
HIGH · CVSS 3.1 · EPSS 48.9% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2026-09-18.
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)
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 48.88% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-843 |
| On CISA KEV | yes — remediate by 2026-09-18 |
| Public exploit | none known |
| Published | 2026-09-03 |
| Last modified | 2026-09-21 |
CISA KEV
| Name | Google Chromium V8 Type Confusion Vulnerability |
|---|---|
| Added | 2026-09-04 |
| Due | 2026-09-18 |
| Vendor / product | Google / Chromium V8 |
| Ransomware use | none reported |
Affected (2)
| Vendor | Product |
|---|---|
| chrome | |
| v8 |
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- https://issues.chromium.org/issues/542403045
- https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md
- https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
- https://news.ycombinator.com/item?id=49570669
- https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046
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