8.8

CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability

KEV
Analyzed
AliasesDEBIAN-CVE-2026-85046CGA-3g3r-m89v-cr5cCGA-jm6m-c4fr-4wcq
Published 03-09-2026Last modified 21-09-2026

Vulnerability summary

CVE-2026-85046 is a high (CVSS 8.8) vulnerability in Google Chromium V8. It is known to be exploited: CISA lists it, first on 04-09-2026. EPSS estimates a 1.81% chance of exploitation in the next 30 days, higher than 78.5% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Act nowlisted as exploited

Listed as exploited by CISA (04-09-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.81%
0%100%
Low · -47.08 pp in 30 days
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2github, reference

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:11714-1OPENSUSE-SU-2026:21799-1CGA-P3GQ-38XH-MP94

Timeline

  1. 03-09-2026
    PublishedVulnerability first disclosed.
  2. 04-09-2026
    Added to CISA KEVExploitedGoogle Chromium V8 Type Confusion Vulnerability
  3. 18-09-2026
    CISA remediation dueDeadline passedApply mitigations per vendor instructions.
  4. 21-09-2026
    Last modifiedVulnerability information updated.

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)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.81%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

Decrease -47.08 pp

From 48.88% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
04-09-2026
Federal due date
18-09-2026
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html nvd.nist.gov/vuln/detail/CVE-2026-85046

Public exploits

2 found
  • githubUnverified

    Writeups

    Maturity: poc

  • referenceUnverified

    Exploit Reference (serotav.github.io)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Google2 products
  • chrome≥ 152.0.7977.82, < 152.0.7977.82 | < 152.0.7977.82
  • v8< 15.3.48
Chainguard1 product
  • chromium< 152.0.7977.82-r0
Debian1 product
  • chromium< 152.0.7977.82-1~deb12u1 | < 152.0.7977.82-1~deb13u1 | < 152.0.7977.82-1
Wolfi1 product
  • chromium< 152.0.7977.82-r0

4 vendors · 5 products

References

8 links