CVE-2026-93377

chrome: Access of Resource Using Incompatible Type ('Type Confusion') (CVE-2026-93377)

Description

Type confusion in V8 in Google Chrome prior to 153.0.8010.52 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

googlechrome
153.0.8010.52fixed from 153.0.8010.52

Metrics

8.8
Source: cna-v3
36.0 %
Elevated — this CVE ranks above at least 10% of all CVEs scored today.
Show all metrics
Severity
high
no public PoC known
0.4 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-09-30 20:25 UTC
CWE-843

Weakness classes (CWE)

  • CWE-843Base

    Access of Resource Using Incompatible Type ('Type Confusion')

    The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. Initial Analysis2026-09-21 13:02 UTC· nvd@nist.gov
    • CPE Configuration: OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 153.0.8010.52
    • Reference Type: Chrome: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html Types: Release Notes, Vendor Advisory
    • Reference Type: Chrome: https://issues.chromium.org/issues/560121552 Types: Permissions Required
  2. CVE Modified2026-09-19 04:18 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-93377","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI… → {"id":"CVE-2026-93377","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  3. CVE Modified2026-09-18 14:19 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    • SSVC: {"id":"CVE-2026-93377","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  4. New CVE Received2026-09-17 21:17 UTC· chrome-cve-admin@google.com
    • Description: Type confusion in V8 in Google Chrome prior to 153.0.8010.52 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
    • CWE: CWE-843
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/93xxx/CVE-2026-93377.json">CVE-2026-93377</a>
    • Reference: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html