Cyber Posture

CVE-2026-5872

High

Published: 08 April 2026

Published
08 April 2026
Modified
13 April 2026
KEV Added
—
Patch
—
CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0014 33.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

Use after free in Blink in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly requires timely remediation of flaws like the use-after-free vulnerability in Chrome's Blink engine by applying the specific patch in version 147.0.7727.55.

RA-5 Vulnerability Monitoring and Scanning good match
detect

Mandates vulnerability scanning that identifies outdated Chrome versions vulnerable to this Blink use-after-free issue.

SI-16 Memory Protection partial match
prevent

Provides memory protection techniques such as stack guards and pointer validation that mitigate exploitation of use-after-free vulnerabilities in rendering engines.

Security SummaryAI

CVE-2026-5872 is a use-after-free vulnerability (CWE-416) in the Blink rendering engine within Google Chrome versions prior to 147.0.7727.55. This flaw, published on 2026-04-08, carries a CVSS v3.1 base score of 8.8 (High) and was deemed high severity by Chromium security standards.

A remote attacker can exploit the vulnerability via a crafted HTML page, requiring no privileges but user interaction, such as visiting a malicious site over the network. Successful exploitation enables arbitrary code execution confined to the Chrome sandbox, with high impacts on confidentiality, integrity, and availability.

Google addressed the issue in Chrome stable channel version 147.0.7727.55. Security practitioners should apply this update promptly, with further details available in the Chrome release blog at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html and Chromium issue tracker at https://issues.chromium.org/issues/496281816.

Details

CWE(s)
CWE-416

Affected Products

google
chrome
≤ 147.0.7727.55

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

Use-after-free in Blink enables drive-by compromise (T1189) via crafted HTML page and client-side exploitation for code execution (T1203) in Chrome renderer sandbox.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References