SB2026082123 - Multiple vulnerabilities in Google Chrome
Published: August 21, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2026-76017)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Chromoting component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2026-76018)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper permissions management in Import in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code with elevated privileges.
3) Improper Authorization (CVE-ID: CVE-2026-76019)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect authorization in Workers in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.
4) Race condition (CVE-ID: CVE-2026-76020)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the target system.
5) Use-after-free (CVE-ID: CVE-2026-76021)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the DOM component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
6) Buffer overflow (CVE-ID: CVE-2026-76022)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in Network in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a buffer overflow and execute arbitrary code on the system.
7) Resource management error (CVE-ID: CVE-2026-76023)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper resource control in Linux Toolkit Theming in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website and bypass implemented security measures.
Remediation
Install update from vendor's website.