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Summary : Several high severity vulnerabilities were recently identified in Google Chrome, impacting core components such as the V8 JavaScript engine, Chrome Updater, DevTools and Digital Credentials module.
The primary high-severity vulnerability, a Type Confusion bug in the V8 engine (CVE-2025-13630), could allow attackers to achieve memory corruption that may lead to remote code execution via malicious web content. Google says that that it handed out $11,000 for the V8 vulnerability and $3,000 for the Google Updater bug.
| Severity | High |
| CVSS Score | Not Published |
| CVEs | CVE-2025-13630, CVE-2025-13631, CVE-2025-13632, CVE-2025-13633 & 9 other CVEs. |
| POC Available | No public PoC at release time |
| Actively Exploited | No confirmed exploitation |
| Exploited in Wild | Not confirmed for Chrome 143 |
| Advisory Version | 1.0 |
Overview
Other vulnerabilities like privilege escalation, unauthorized actions or browser misuse have been patched in the latest Chrome update. Administrator and users are strongly urged to update to the chrome 143 release immediately.
| Vulnerability Name | CVE ID | Product Affected | Severity | Fixed Version |
| Type-Confusion Vulnerability in V8 JavaScript Engine | CVE-2025-13630 | Chrome | High | v143.0.7499.40/41 |
| Inappropriate Implementation in Google Updater | CVE-2025-13631 | Chrome | High | v143.0.7499.40/41 |
| Inappropriate Implementation in DevTools | CVE-2025-13632 | Chrome | High | v143.0.7499.40/41 |
| Use-After-Free Vulnerability in Digital Credentials | CVE-2025-13633 | Chrome | High | v143.0.7499.40/41 |
Technical Summary
Several high-severity vulnerabilities were addressed in Google Chrome versions prior to 143.0.7499.40/41. The most critical involves a type of confusion flaw in the V8 JavaScript engine, which permits remote attackers to exploit improper object type handling, causing heap corruption when a user accesses a specially crafted webpage and potentially leading to remote code execution under certain conditions.
Other significant issues include a flawed update mechanism that may trigger unintended actions during updates, a logic error within DevTools that could result in tool misuse or unintended execution paths, and a use-after-free vulnerability in the digital credential processing components that may cause memory corruption and browser instability.
Together, these flaws can be exploited to bypass update protections, escalate privileges, disrupt developer tools, or compromise sensitive credential operations.
| CVE ID | System Affected | Vulnerability Details | Impact |
| CVE-2025-13630 | Chrome 142 and prior | Type Confusion in V8 engine allows crafted JavaScript to trigger memory corruption leading to possible arbitrary code execution | Remote Code Execution |
| CVE-2025-13631 | Chrome 142 and prior | Inappropriate implementation in Chrome Updater may allow unauthorized update-related actions | Privilege Escalation |
| CVE-2025-13632 | Chrome 142 and prior | Inappropriate implementation in DevTools may allow unintended function execution | Unauthorized Code Paths / Sandbox Interaction |
| CVE-2025-13633 | Chrome 142 and prior | Use-after-free in Digital Credentials processing leads to memory corruption | Memory Corruption / Crash |
Remediation:
Here are some recommendations below
Conclusion:
Chrome 143 patches critical flaws in the JavaScript engine, updater, DevTools, and credentials, preventing remote code execution and memory corruption.
Users and administrators are strongly advised to promptly upgrade to the latest Chrome version and implement security best practices such as enforcing automatic updates, enabling endpoint exploit protections and monitoring for any signs of exploitation to maintain a strong defense against potential attacks.
Additionally, Google announced that the browser’s Extended Stable channel has been updated to version 142.0.7499.226 for Windows and macOS.
References:
Android security Patch: Google has released the Android Security update for December 2025 addressing over 100 vulnerabilities and two actively exploited zero-day vulnerabilities across Framework, System, Kernel, and vendor components like Qualcomm, MediaTek, and Unisoc.
The most severe issues include a critical remote denial-of-service flaw in Framework and multiple zero-day elevation-of-privilege vulnerabilities actively exploited.
| OEM | Google Android |
| Severity | Critical |
| CVSS Score | 9.8 |
| CVEs | CVE-2025-48631, CVE-2025-48633, CVE-2025-48572 & 104 more CVEs |
| POC Available | No |
| Actively Exploited | Yes |
| Exploited in Wild | No |
| Advisory Version | 1.0 |
Overview
These flaws could enable attackers to crash devices remotely, escalate privileges locally, or disclose sensitive data without additional execution privileges. Android users are urged to immediate updates as soon as available.
| Vulnerability Name | CVE ID | Product Affected | Severity | Fixed Version |
| Remote Denial-of-Service Vulnerability | CVE-2025-48631 | Android Framework | Critical | Dec 2025 Android Security Update |
| Information Disclosure Zero-Day Vulnerability | CVE-2025-48633 | Android Framework | High | Dec 2025 Android Security Update |
| Elevation of Privilege Zero-Day Vulnerability | CVE-2025-48572 | Android Framework | High | Dec 2025 Android Security Update |
Technical Summary
The December 2025 Android vulnerabilities primarily impact Framework (remote DoS, EoP, ID), System (local privilege escalation), and Kernel (pKVM/IOMMU flaws), with additional high-severity issues in vendor components from Qualcomm, MediaTek, Arm and Unisoc. Critical zero-days like the Framework remote DoS enable attacker-initiated crashes without privileges, while EoP flaws allow local escalation for background activity launch or data access.
Organizations and users should treat these vulnerabilities as critical due to active exploitation. Updating all devices to the 2025 December, security patch level is strongly recommended to stay protected.
| CVE ID | Vulnerability Details | Impact |
| CVE-2025-48631 | Framework vulnerability that allows a remote attacker to cause a device crash, reboot loop, or render it unresponsive without requiring additional privileges or user interaction. | Remote device crash, Denial of service |
| CVE-2025-48633 | This exploiting framework information disclosure flaw that exposes sensitive internal system data, enabling attacker reconnaissance or exploit chaining | Data leakage, privacy violation |
| CVE-2025-48572 | This exploiting elevation of privilege vulnerability within the Framework that allows attackers to gain higher system privileges, enabling unauthorized operations | Privilege escalation, arbitrary code execution |
These additional vulnerabilities include 104 other Critical and High-severity issues that could allow data exposure, system instability, or service disruptions. Applying the latest update is important as these vulnerabilities still have significant security risks if left unpatched.
Remediation:
Conclusion:
These vulnerabilities, including actively exploited zero-days, pose severe risks to Android devices enabling remote crashes, privilege escalation, and data exposure. It is recommended to update to the both personal and enterprise Android devices to the latest security patch for December, 2025.
References:
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