CVE-2026-5281highunder attackCWE-416

CVE-2026-5281: high-severity vulnerability in Google Chrome

Published · Updated

71Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 8.8epss 0.7%
from disclosure to weapon1 days
Published on NVDApr 1
1st PoC+1d
CISA KEVApr 1
exploitation probability
0.7%top 48% of all CVEs
observed exploitation
yesCISA + VulnCheck
4 public exploit(s)
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Not affected
1 product — because the vulnerable code is not present in the product
red_hat_products
Action required by CISAfederal deadline: 2026-04-15

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

In short

A use-after-free vulnerability in Chrome's graphics library (Dawn) allows an attacker who has already compromised the browser's renderer process to execute arbitrary code by serving a specially crafted webpage. This means if your browser is already partially compromised, an attacker could take full control of your computer.

Technical detail

Use-after-free vulnerability in Dawn (Chromium graphics layer) exploitable via crafted HTML in renderer process context. Requires prior renderer compromise (CWE-416: Use After Free). Impacts confidentiality, integrity, and availability through arbitrary code execution with renderer privileges.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Google · Chrome
public PoCs found — 4
githubgithub.com/jaf0rk/CVE-2026-5281★ 0vulncheckvulncheck.com/xdb/4f327dcf6347unverifiedvulncheckvulncheck.com/xdb/9f33a9fb3af6unverifiedvulncheckvulncheck.com/xdb/05ddda44e916unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Google Chrome

In the same product, most dangerous first.

CVE-2023-4863HIGHCVE-2023-4863EPSS 100.0%KEVCVE-2018-17463HIGHCVE-2018-17463EPSS 84.6%KEVCVE-2021-21224HIGHCVE-2021-21224EPSS 84.2%KEVCVE-2020-6418HIGHCVE-2020-6418EPSS 78.8%KEVCVE-2022-2294HIGHCVE-2022-2294EPSS 70.5%KEVCVE-2021-21220HIGHCVE-2021-21220EPSS 70.4%KEV
References
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.htmlhttps://issues.chromium.org/issues/491518608https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5281