CVE-2026-12020: Use After Free
Use after free in Autofill in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
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 149.0.7827.114 - Upgrade
Upgrade
Google Chrome on Macto a version that resolves this vulnerability.Fixed in 149.0.7827.115
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-12007
- CVE-2026-12008
- CVE-2026-12009
- CVE-2026-12010
- CVE-2026-12011
- CVE-2026-12012
- CVE-2026-12014
- CVE-2026-12015
- CVE-2026-12016
- CVE-2026-12017
- CVE-2026-12018
- CVE-2026-12019
- CVE-2026-12022
- CVE-2026-12023
- CVE-2026-12024
- CVE-2026-12025
- CVE-2026-12026
- CVE-2026-12027
- CVE-2026-12028
- CVE-2026-12029
- CVE-2026-12030
- CVE-2026-12031
- CVE-2026-12032
- CVE-2026-12033
- CVE-2026-12034
- CVE-2026-12035
Frequently Asked Questions
What is the severity of CVE-2026-12020?
CVE-2026-12020 has a high severity rating of 8.8 on the CVSS scale.
How do I fix CVE-2026-12020?
To fix CVE-2026-12020, update Google Chrome on your Mac to version 149.0.7827.115 or later.
What type of vulnerability is CVE-2026-12020?
CVE-2026-12020 is classified as a Use After Free vulnerability impacting the Autofill feature in Google Chrome.
What impact does CVE-2026-12020 have?
CVE-2026-12020 could allow a remote attacker to exploit heap corruption through a crafted HTML page.
On which platforms does CVE-2026-12020 affect Google Chrome?
CVE-2026-12020 specifically affects Google Chrome on macOS prior to version 149.0.7827.115.