CVE-2026-85046
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
1.5%
72.4th percentile
CISA KEV
Listed
Added 2026-09-04 · patch by 2026-09-18
Weakness / dates
CWE-843
Published 2026-09-03 · modified 2026-09-08
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-09-03 — Published (NVD)
- 2026-09-04 — Added to CISA KEV (actively exploited)
- 2026-09-18 — CISA patch-by deadline
- 2026-09-08 — Last modified (NVD)
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)
Affected
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- https://issues.chromium.org/issues/542403045
- exploit 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
- exploit https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046