Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

Added to KEV
2025-06-05
Federal due date
2025-06-26
Vendor
Google
Product
Chromium V8
EPSS
92.9th percentile (score 0.065, as of 2026-07-13)
NVD CVSS v3.1
8.8 (HIGH)
Ransomware use
Unknown
ATT&CK
T1189 , T1203 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2025-5419

CISA short description

Google Chromium V8 contains an out-of-bounds read and write vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

NVD description

Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.