Full Report
Google Chrome security advisory (AV26-561)
Analysis Summary
# Vulnerability: Google Chrome Use-After-Free in Graphics Component (Zero-Day)
## CVE Details
- **CVE ID:** CVE-2026-11645
- **CVSS Score:** N/A (Google typically does not provide internal CVSS scores, but "In the Wild" exploits are categorized as **High/Critical**)
- **CWE:** N/A (Likely Use-After-Free based on typical high-severity Chrome vulnerabilities)
## Affected Systems
- **Products:** Google Chrome for Desktop
- **Versions:**
- Windows & Mac: Versions prior to 149.0.7827.102/.103
- Linux: Versions prior to 149.0.7827.102
- **Configurations:** All standard installations of Chrome Desktop are affected until updated.
## Vulnerability Description
While the advisory (AV26-561) does not provide granular technical details to prevent further exploitation, the vulnerability exists within the Chrome Stable Channel. Based on the "In the Wild" status, it is a high-impact flaw that likely allows for remote code execution (RCE) or a sandbox escape by tricking a user into visiting a specially crafted malicious website.
## Exploitation
- **Status:** **Exploited in the wild.** Google has confirmed active exploitation of CVE-2026-11645.
- **Complexity:** Low to Medium (Exploit exists and is functional)
- **Attack Vector:** Network (Remote/Web-based)
## Impact
- **Confidentiality:** High (Potential for data theft)
- **Integrity:** High (Potential for arbitrary code execution)
- **Availability:** High (Potential for application crashes)
## Remediation
### Patches
Google has released the following versions to address these flaws. Users should update immediately:
- **Windows / Mac:** Update to version **149.0.7827.102/.103** or later.
- **Linux:** Update to version **149.0.7827.102** or later.
To update: Go to `Chrome Menu -> Help -> About Google Chrome` to trigger the automated update process.
### Workarounds
- No specific workarounds are provided. Immediate patching is the only recommended mitigation.
- Avoid visiting untrusted websites or clicking suspicious links until the browser is updated.
## Detection
- **Indicators of compromise:** Monitor for unusual Chrome process behavior or unexpected crashes in the renderer process.
- **Detection methods and tools:** Verify the installed version of Chrome via centralized management tools (e.g., Google Admin Console, Microsoft Intune, or local script audits) to ensure it meets the minimum patched version.
## References
- Google Chrome Release Blog: hxxps[://]chromereleases[.]googleblog[.]com/2026/06/stable-channel-update-for-desktop_0153744567[.]html
- Canadian Centre for Cyber Security Advisory: hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/google-chrome-security-advisory-av26-561