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CVE-2026-85046

HIGH 8.8 KNOWN EXPLOITED

Published 2026-09-03 · Last modified 2026-09-05

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)

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-09-04. Patch or mitigate now.

Exploitation likelihood

0.5%chance of exploitation in 30 days · 38th percentile

● In CISA KEV (2026-09-04) ○ Public exploit / PoC

Impact if exploited

8.8CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-85046/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-85046/poc.json

Affected

Vendors Google

Products Chrome

Weakness (CWE)

  • CWE-843: Type confusion

CVSS vector

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

Known Affected Software Configurations

VendorProductVersion range
GoogleChrome< 152.0.7977.82

All CVSS metrics

  • HIGH 8.8 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • HIGH 8.8 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS