CVE-2026-7990: Insufficient validation of untrusted input in Google Chrome
CVE-2026-7990 is a vulnerability in Google Chrome on Windows prior to version 148.0.7778.96 involving insufficient validation of untrusted input in the Updater component. This flaw allows a local attacker to escalate privileges to the operating system level by leveraging a malicious file. The vulnerability has a high severity rating with a CVSS score of 7.8. There are no known exploits in the wild at this time. The vendor has published an advisory but has not explicitly stated the availability of a patch or remediation level in the provided data.
AI Analysis
Technical Summary
This vulnerability arises from insufficient validation of untrusted input within the Updater component of Google Chrome on Windows versions before 148.0.7778.96. A local attacker could exploit this by supplying a malicious file to perform OS-level privilege escalation. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, but results in high impact on confidentiality, integrity, and availability. The issue is tracked as CVE-2026-7990 with a high severity score of 7.8. The vendor advisory is available but does not confirm patch status.
Potential Impact
Successful exploitation allows a local attacker to escalate privileges on the affected Windows system, potentially gaining full control over the operating system. This could lead to complete compromise of the affected machine, impacting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html for current remediation guidance. Until official confirmation, users should avoid executing untrusted files and restrict local access to trusted users only.
CVE-2026-7990: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-7990 is a vulnerability in Google Chrome on Windows prior to version 148.0.7778.96 involving insufficient validation of untrusted input in the Updater component. This flaw allows a local attacker to escalate privileges to the operating system level by leveraging a malicious file. The vulnerability has a high severity rating with a CVSS score of 7.8. There are no known exploits in the wild at this time. The vendor has published an advisory but has not explicitly stated the availability of a patch or remediation level in the provided data.
CVSS v3.1
Score 7.8high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient validation of untrusted input within the Updater component of Google Chrome on Windows versions before 148.0.7778.96. A local attacker could exploit this by supplying a malicious file to perform OS-level privilege escalation. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, but results in high impact on confidentiality, integrity, and availability. The issue is tracked as CVE-2026-7990 with a high severity score of 7.8. The vendor advisory is available but does not confirm patch status.
Potential Impact
Successful exploitation allows a local attacker to escalate privileges on the affected Windows system, potentially gaining full control over the operating system. This could lead to complete compromise of the affected machine, impacting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html for current remediation guidance. Until official confirmation, users should avoid executing untrusted files and restrict local access to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-05T22:59:29.150Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69fb86e9cbff5d861024e97a
Added to database: 05/06/2026, 18:22:33 UTC
Last enriched: 05/14/2026, 03:57:24 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 78
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