SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-4762

Google Chromium V8 Type Confusion Vulnerability

KEVHIGH 8.8EPSS 41.4%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 27 February 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Type Confusion in V8 in Google Chrome prior to 116.0.5845.179 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
41.38% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 6 February 2024 · due 27 February 2024
Weakness
CWE-843
Affected
google/chrome · debian/debian linux · fedoraproject/fedora · microsoft/edge chromium
Source
chrome-cve-admin@google.com
EPSS trend
0%23%45%30 October 2026: 41.38%30 October 202630 October 2026

EPSS 41.4% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html; https://nvd.nist.gov/vuln/detail/CVE-2023-4762

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.