Use after free in WebCodecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00066.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
146.0.7680.178 affected < 146.0.7680.178

Configuration 1 [-]

AND
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors Products
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Macos Subscribe
Google Subscribe
Chrome Subscribe
Linux Subscribe
Linux Kernel Subscribe
Microsoft Subscribe
Windows Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html cve-icon cve-icon cve-icon
https://issues.chromium.org/issues/491515787 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-5280 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-5280 cve-icon
History

Thu, 02 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

 cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Wed, 01 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
Title chromium-browser: Use after free in WebCodecs
First Time appeared Apple
Apple macos
Google
Google chrome
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Weaknesses CWE-825
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Google
Google chrome
Linux
Linux linux Kernel
Microsoft
Microsoft windows
References
Metrics threat_severity

None

 cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

threat_severity

Important

Wed, 01 Apr 2026 05:00:00 +0000

Type Values Removed Values Added
Description Use after free in WebCodecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-416
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-04-02T03:55:44.222Z

Reserved: 2026-03-31T20:07:12.932Z

Link: CVE-2026-5280

cve-icon Vulnrichment

Updated: 2026-04-01T13:24:17.216Z

cve-icon NVD

Status : Modified

Published: 2026-04-01T05:16:01.310

Modified: 2026-04-02T00:16:24.620

Link: CVE-2026-5280

cve-icon Redhat

Severity : Important

Publid Date: 2026-03-31T00:00:00Z

Links: CVE-2026-5280 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses