CVE-2026-9980: Insufficient validation of untrusted input in Google Chrome
Insufficient validation of untrusted input in Printing 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)
AI Analysis
Technical Summary
This vulnerability in Google Chrome's printing component results from insufficient validation of untrusted input. An attacker with control over the renderer process can exploit this to bypass site isolation protections, potentially increasing the impact of a compromise. The issue affects Chrome versions prior to 148.0.7778.216. No CVSS score is assigned, and no explicit remediation level or patch availability is indicated in the provided data. The vendor advisory is referenced but does not confirm patch status within the input.
Potential Impact
If exploited, this vulnerability could allow an attacker who has compromised the renderer process to bypass site isolation, which is a security feature designed to separate different web origins and limit the impact of compromises. This could lead to increased risk of data leakage or further exploitation within the browser context. However, exploitation requires prior compromise of the renderer process. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Until an official fix is confirmed, users should ensure they update to the latest Chrome version once available. No vendor advisory content explicitly states 'no action required' or 'already mitigated'.
CVE-2026-9980: Insufficient validation of untrusted input in Google Chrome
Description
Insufficient validation of untrusted input in Printing 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)
CVSS v3.1
Score 5.0medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's printing component results from insufficient validation of untrusted input. An attacker with control over the renderer process can exploit this to bypass site isolation protections, potentially increasing the impact of a compromise. The issue affects Chrome versions prior to 148.0.7778.216. No CVSS score is assigned, and no explicit remediation level or patch availability is indicated in the provided data. The vendor advisory is referenced but does not confirm patch status within the input.
Potential Impact
If exploited, this vulnerability could allow an attacker who has compromised the renderer process to bypass site isolation, which is a security feature designed to separate different web origins and limit the impact of compromises. This could lead to increased risk of data leakage or further exploitation within the browser context. However, exploitation requires prior compromise of the renderer process. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Until an official fix is confirmed, users should ensure they update to the latest Chrome version once available. No vendor advisory content explicitly states 'no action required' or 'already mitigated'.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:25:06.783Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html","vendor":"Google"}]
Threat ID: 6a18c67ee29bf47b503b64f1
Added to database: 05/28/2026, 22:49:34 UTC
Last enriched: 05/28/2026, 23:05:27 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 45
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