Chrome V8 type confusion exploited in the wild
Google reports a Chrome V8 type-confusion vulnerability (CVE-2026-85046) as exploited in the wild. CISA KEV listed. Upgrade Chrome to the patched stable build (152.0.7977.82 or matching channel).
Also tracked as CVE-2026-85046 · Chrome V8 type confusion
First observed
Sep 3, 2026
Last observed
Sep 3, 2026
Last reviewed
Sep 20, 2026
Tracking ended
Sep 3, 2026
Uncertainty and limitations
Read the evidence limits before acting on this record.
Confirm the exact patched build for your Chrome channel/OS.
- Browser update path varies by OS/channel.
- CISA KEV elevates urgency.
- HOL blog is operator guidance.
Timeline
Reviewed events, oldest first, each tied to a verified source.
- Disclosure
Chrome/V8 CVE-2026-85046 type confusion disclosed with in-the-wild exploitation.
- Update
CISA listed CVE-2026-85046 in KEV.
- Update
HOL Guard published operator coverage for CVE-2026-85046.
Publication clock: 427.6 hours from reviewed disclosure timestamp to HOL publication; 12-hour critical target; historical backfill outside target.
Guard coverage and non-coverage
What Guard's reviewed coverage assertions do and do not claim for this campaign.
No Guard coverage mapping is published for this record.
Defensive policy guidance
Reviewed starting points for defending against this campaign's artifact classes.
No campaign-specific policy guidance is published.
Reviewed artifacts and indicators
Published values are defanged (for example hxxps and [.] blocks) so nothing here is copy-paste executable.
Reviewed artifacts
The specific artifacts this record concerns, as reviewed. Names and versions are shown as text; a registry link is not recorded here.
Google Chrome@before 152.0.7977.82googlepackage
Sources
Every claim on this record is traceable to the sources below.
Reviewed in full by HOL Guard Security Publishing.
- Published
- Last full review
- Last modified
Record HGTC-2026-EBA27319.