CVE-2026-5292
Published: 01 April 2026
Summary
CVE-2026-5292 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 15.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-16 (Memory Protection) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-5292 is an out-of-bounds read vulnerability in the WebCodecs component of Google Chrome versions prior to 146.0.7680.178. It allows a remote attacker to perform an out-of-bounds memory read through a crafted HTML page, corresponding to CWE-125. Chromium rates the severity as Medium, with a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A remote attacker can exploit this vulnerability by tricking a user into visiting a malicious website containing a crafted HTML page, requiring user interaction but no special privileges. Successful exploitation enables high-impact confidentiality, integrity, and availability violations, such as potential memory disclosure that could lead to further compromise.
Google's stable channel update for desktop, detailed at https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html, addresses the issue in Chrome 146.0.7680.178 and later versions. Additional details are available in the Chromium issue tracker at https://issues.chromium.org/issues/492213293. Security practitioners should advise users to update Google Chrome immediately to mitigate the risk.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-17812
Vulnerability details
Out of bounds read in WebCodecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CVE describes a browser vulnerability in Chrome exploitable via a crafted HTML page on a malicious website, directly enabling drive-by compromise through user visitation and client-side exploitation for memory disclosure and further impact.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires identification, reporting, and correction of the out-of-bounds read flaw in Chrome's WebCodecs via timely patching to version 146.0.7680.178 or later.
Implements controls to prevent memory access violations, directly mitigating the out-of-bounds memory read exploited through crafted HTML pages.
Scans for known vulnerabilities like CVE-2026-5292 in Chrome installations and supports remediation of affected systems.