CVE-2026-13033: Out of bounds read in Blink>InterestGroups
Chromium: CVE-2026-13033 Out of bounds read in Blink>InterestGroups
Other sources
Out of bounds read and write in Blink>InterestGroups in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
— MITRE
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
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 149.0.4022.96 - Upgrade
Upgrade
Google Chrome / Chromium (Blink>InterestGroups)to a version that resolves this vulnerability.Fixed in 149.0.7827.197 - Compensating control
If immediate upgrading is not possible, mitigate by restricting browsing/remote access to untrusted HTML content (e.g., block or sandbox untrusted pages) until Chromium-based browsers are updated to a version that includes 149.0.7827.197 or later.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-12034
- CVE-2026-7922
- CVE-2026-9970
- CVE-2026-10969
- CVE-2026-10003
- CVE-2026-9933
- CVE-2026-9993
- CVE-2026-9961
- CVE-2026-9995
- CVE-2026-12439
- CVE-2026-10905
- CVE-2026-8557
- CVE-2026-9903
- CVE-2026-7339
- CVE-2026-8559
- CVE-2026-6920
- CVE-2026-8524
- CVE-2026-10007
- CVE-2026-12008
- CVE-2026-12440
- CVE-2026-6360
- CVE-2026-12441
- CVE-2026-7348
Frequently Asked Questions
What is the severity of CVE-2026-13033?
CVE-2026-13033 has a high severity rating of 8.8 according to the CVSS 3.1 scoring system.
How do I fix CVE-2026-13033?
To fix CVE-2026-13033, update Google Chrome or Microsoft Edge to version 149.0.7827.197 or later.
What vulnerability does CVE-2026-13033 describe?
CVE-2026-13033 describes an out-of-bounds read and write vulnerability in Blink>InterestGroups that can lead to arbitrary code execution.
Which software is affected by CVE-2026-13033?
CVE-2026-13033 affects Google Chrome and Microsoft Edge in their Chromium-based versions prior to 149.0.7827.197.
Can CVE-2026-13033 be exploited remotely?
Yes, CVE-2026-13033 can be exploited remotely via a crafted HTML page.