CVE-2026-9979: High Insufficient validation of untrusted input in Input
Chromium: CVE-2026-9979 Insufficient validation of untrusted input in Input
Other sources
Insufficient validation of untrusted input in Input in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
— 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
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 148.0.7778.216
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-11669
- CVE-2026-8513
- CVE-2026-10982
- CVE-2026-11693
- CVE-2026-11694
- CVE-2026-11660
- CVE-2026-11697
- CVE-2026-11692
- CVE-2026-11670
- CVE-2026-11646
- CVE-2026-11683
- CVE-2026-11689
- CVE-2026-9952
- CVE-2026-11651
- CVE-2026-10981
- CVE-2026-11682
- CVE-2026-11674
- CVE-2026-10988
- CVE-2026-11662
- CVE-2026-15901
- CVE-2026-9986
- CVE-2026-7357
- CVE-2026-9985
- CVE-2026-15765
- CVE-2026-13860
- CVE-2026-15133
- CVE-2026-10888
- CVE-2026-15129
Frequently Asked Questions
What is the severity of CVE-2026-9979?
The severity of CVE-2026-9979 is rated as medium with a CVSS score of 5.
How do I fix CVE-2026-9979?
To fix CVE-2026-9979, update Google Chrome or Microsoft Edge to version 148.0.7778.216 or later.
What products are affected by CVE-2026-9979?
CVE-2026-9979 affects Google Chrome and Microsoft Edge, specifically the Chromium-based versions.
What type of vulnerability is CVE-2026-9979?
CVE-2026-9979 is an input validation vulnerability that allows remote attackers to bypass site isolation.
When was CVE-2026-9979 published?
CVE-2026-9979 was published on May 10, 2026.