Full Report
Google on Monday released security updates for its Chrome browser to address two security flaws, including one that has come under active exploitation in the wild. The vulnerability in question is CVE-2025-13223 (CVSS score: 8.8), a type confusion vulnerability in the V8 JavaScript and WebAssembly engine that could be exploited to achieve arbitrary code execution or program crashes. "Type
Analysis Summary
# Vulnerability: Chrome V8 Type Confusion Zero-Day
## CVE Details
- CVE ID: CVE-2025-13223
- CVSS Score: 8.8 (High)
- CWE: Type Confusion
## Affected Systems
- Products: Google Chrome (and potentially other Chromium-based browsers: Microsoft Edge, Brave, Opera, Vivaldi)
- Versions: Prior to 142.0.7444.175 (Windows/Linux) or 142.0.7444.176 (macOS)
- Configurations: Any configuration running the vulnerable versions.
## Vulnerability Description
CVE-2025-13223 is a **Type Confusion vulnerability** residing within the **V8 JavaScript and WebAssembly engine** of Google Chrome. This flaw could be triggered by a remote attacker using a **crafted HTML page**. Successful exploitation can lead to **arbitrary code execution (ACE)** or cause program crashes due to potential heap corruption.
*Note: This is the third actively exploited type confusion bug patched in V8 this year, alongside CVE-2025-6554 and CVE-2025-10585.*
## Exploitation
- Status: **Exploited in the wild**
- Complexity: Not explicitly stated, but exploitation leading to ACE typically implies Medium to High complexity for initial discovery, though the in-the-wild status suggests functional exploits exist.
- Attack Vector: Network (via crafted HTML page delivered remotely).
## Impact
- Confidentiality: High (due to potential Arbitrary Code Execution)
- Integrity: High (due to potential Arbitrary Code Execution)
- Availability: Medium (due to potential program crashes)
## Remediation
### Patches
Google released security updates addressing this vulnerability:
* **Windows/Linux:** Chrome version **142.0.7444.175** and later.
* **macOS:** Chrome version **142.0.7444.176** and later.
* Users are advised to navigate to `More > Help > About Google Chrome` and relaunch to apply updates.
### Workarounds
No specific workarounds were detailed in the provided context, as the vulnerability addresses an actively exploited zero-day. Immediate patching is the primary mitigation. Chromium-based browser users should apply vendor-specific patches as soon as they are available.
## Detection
- Indicators of Compromise (IOCs): Not specified in the context, but monitoring for unusual process behavior stemming from the Chrome renderer process or unexpected network connections following a seemingly benign browsing event would be relevant.
- Detection methods and tools: Standard endpoint detection and response (EDR) tools should monitor for exploitation techniques related to V8 heap corruption or process injection following browser interaction.
## References
- Vendor Advisory (Google Stable Channel Update): hxxps://chromereleases.googleblog.com/2025/11/stable-channel-update-for-desktop_17.html
- NIST NVD Entry (For CVE-2025-13223): hxxps://nvd.nist.gov/vuln/detail/CVE-2025-13223
- Additional Flaw (CVE-2025-13224): hxxps://nvd.nist.gov/vuln/detail/CVE-2025-13224