critical severityConfidence highHistorical record

Chrome V8 type confusion exploited in the wild

Direct answer

Chrome V8 type confusion exploited in the wild, also tracked as CVE-2026-85046 / Chrome V8 type confusion is a critical-severity threat campaign HOL Guard tracked from Sep 3, 2026 to Sep 3, 2026, verified against 4 primary sources and last reviewed Sep 20, 2026. Active tracking has ended and the record remains published as a permanent historical research record.

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

Record exports

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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.

Guard coverage and policy

What Guard's reviewed assertions do and do not claim for this campaign, and the reviewed starting points for defense.

No Guard coverage mapping or campaign-specific policy guidance is published for this record.

Safe next step. Campaign guidance is defensive context. It does not auto-apply policy or claim universal campaign coverage.

Open policy controlsCampaign-specific emergency policy starting point

Timeline

Reviewed events, oldest first, each tied to a verified source.

  1. Disclosure

    Chrome/V8 CVE-2026-85046 type confusion disclosed with in-the-wild exploitation.

    Sources:Chrome stable channel update·NVD CVE-2026-85046

  2. Update

    CISA listed CVE-2026-85046 in KEV.

    Source:CISA KEV catalog entry

  3. Update

    HOL Guard published operator coverage for CVE-2026-85046.

    Source:HOL Guard operator write-up

Publication clock: 427.6 hours from reviewed disclosure timestamp to HOL publication; 12-hour critical target; historical backfill outside target.

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.

Campaign questions, answered

Google reports a Chrome V8 type-confusion vulnerability (CVE-2026-85046) as exploited in the wild. CISA KEV listed. HOL Guard tracked the campaign from Sep 3, 2026 to Sep 3, 2026.

No. Active tracking ended Sep 3, 2026; this page remains as a labeled historical research record and does not imply the threat is currently active.

The record cites 4 primary sources, names 1 reviewed artifact, and was last fully reviewed Sep 20, 2026 by HOL Guard Security Publishing. Its uncertainty and limitations are stated on the record itself.

Campaign guidance is defensive context. It does not auto-apply policy or claim universal campaign coverage.

The permalink above is permanent. The full record can be downloaded from this page as JSON, an artifact CSV, and a STIX 2.1 bundle, and corrections can be requested through the published correction path on the record. Confirm the exact patched build for your Chrome channel/OS.

Reviewed in full by HOL Guard Security Publishing.

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Record HGTC-2026-EBA27319