CVE-2026-6318: Use after free in Codecs
Chromium: CVE-2026-6318 Use after free in Codecs
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in Codecs in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 147.0.7727.101 - Upgrade
Upgrade
Chromium/Google Chrome (codecs)to a version that resolves this vulnerability.Fixed in 147.0.7727.101 - Compensating control
For Chromium-based Microsoft Edge users affected by CVE-2026-6318, mitigate by avoiding visiting untrusted web content until Edge is updated beyond the vulnerable Chromium revision.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-6296
- CVE-2026-6297
- CVE-2026-6298
- CVE-2026-6299
- CVE-2026-6358
- CVE-2026-6359
- CVE-2026-6300
- CVE-2026-6301
- CVE-2026-6302
- CVE-2026-6303
- CVE-2026-6304
- CVE-2026-6305
- CVE-2026-6306
- CVE-2026-6307
- CVE-2026-6308
- CVE-2026-6309
- CVE-2026-6360
- CVE-2026-6310
- CVE-2026-6311
- CVE-2026-6312
- CVE-2026-6313
- CVE-2026-6314
- CVE-2026-6315
- CVE-2026-6316
- CVE-2026-6361
- CVE-2026-6362
- CVE-2026-6317
- CVE-2026-6363
- CVE-2026-6319
- CVE-2026-6364
Frequently Asked Questions
What is the severity of CVE-2026-6318?
CVE-2026-6318 is classified as a high severity vulnerability due to its potential for exploitation through use after free conditions.
How do I fix CVE-2026-6318?
To address CVE-2026-6318, users should update Google Chrome to version 147.0.7727.101 or later.
Which versions of Chrome are affected by CVE-2026-6318?
CVE-2026-6318 affects Google Chrome versions prior to 147.0.7727.101.
Is Microsoft Edge affected by CVE-2026-6318?
Yes, Microsoft Edge (Chromium-based) is affected, and users should ensure they are using the latest version to mitigate the vulnerability.
What is the nature of the vulnerability in CVE-2026-6318?
CVE-2026-6318 is a use after free vulnerability in the codecs of Google Chrome that could potentially allow an attacker to execute arbitrary code.