CVE-2026-79007 Overview
CVE-2026-79007 is an uninitialized resource vulnerability in the GPU component of Google Chrome prior to version 152.0.7977.65. An attacker who has already compromised the renderer process can read memory outside the Chrome sandbox by delivering a crafted HTML page. Google Chromium assigned this issue a Medium security severity.
The flaw is tracked under [CWE-908: Use of Uninitialized Resource]. It requires a chained exploit path because the attacker must first compromise the renderer before leveraging the GPU process weakness. Successful exploitation exposes memory contents that would otherwise remain isolated by the Chrome sandbox boundary.
Critical Impact
A compromised renderer process can read memory outside the sandbox, enabling information disclosure that may support further exploitation chains.
Affected Products
- Google Chrome for Desktop prior to 152.0.7977.65
- Chromium-based browsers incorporating vulnerable GPU code
- Downstream browsers that share the Chromium GPU process implementation
Discovery Timeline
- 2026-08-25 - CVE-2026-79007 published to the National Vulnerability Database (NVD)
- 2026-08-26 - Last updated in NVD database
Technical Details for CVE-2026-79007
Vulnerability Analysis
The vulnerability resides in the GPU process of Google Chrome. The GPU process handles hardware-accelerated rendering, WebGL, WebGPU, and video decoding on behalf of renderer processes. It runs in a separate process with its own sandbox to isolate hardware access from untrusted web content.
An uninitialized resource in this component means memory or a resource handle is used before it receives a defined value. When the renderer requests GPU operations through inter-process communication (IPC), the GPU process returns data that may include stale memory contents. A compromised renderer can trigger this path to read memory outside its own sandbox.
This class of bug does not directly grant code execution. It provides an information disclosure primitive useful for defeating Address Space Layout Randomization (ASLR) or leaking sensitive data from adjacent allocations. Attackers commonly chain such primitives with a separate renderer exploit to escape the sandbox.
Root Cause
The root cause is classified as [CWE-908: Use of Uninitialized Resource]. Code in the GPU process reads or transmits a resource before it is fully initialized. Details are restricted in Chromium Issue #495579602 pending broad user patching.
Attack Vector
Exploitation requires two conditions. First, the attacker must already control the renderer process, typically through a separate renderer-side vulnerability. Second, the attacker delivers a crafted HTML page that issues GPU IPC calls designed to trigger the uninitialized read. The victim only needs to load attacker-controlled web content in a vulnerable Chrome build.
Refer to the Chrome Releases stable channel update for vendor context. No public proof-of-concept exploit is available at the time of publication, and the EPSS score is 0.402%.
Detection Methods for CVE-2026-79007
Indicators of Compromise
- Chrome or Chromium-based browser processes running versions earlier than 152.0.7977.65 on managed endpoints
- Renderer processes spawning anomalous child processes or executing shellcode-like memory regions
- Unexpected crashes or GPU process restarts correlated with visits to untrusted sites
Detection Strategies
- Inventory installed browser versions across the estate and flag hosts below 152.0.7977.65
- Monitor for renderer process compromise indicators, since this GPU bug is only exploitable after renderer takeover
- Correlate browser telemetry with outbound connections to newly registered or low-reputation domains hosting exploit content
Monitoring Recommendations
- Enable browser process telemetry ingestion into your SIEM or data lake for behavioral baselining
- Track Chrome auto-update status and surface endpoints failing to receive stable channel updates
- Alert on GPU process crashes with unusual parent-child relationships or non-standard command lines
How to Mitigate CVE-2026-79007
Immediate Actions Required
- Update Google Chrome to version 152.0.7977.65 or later on all desktop platforms
- Restart browser instances after patching to ensure the new binary is loaded across all processes
- Push the update through enterprise management tooling to eliminate reliance on user-initiated restarts
Patch Information
Google released the fix in the Chrome Stable channel update documented at the Chrome Releases blog. Chromium-based browsers such as Microsoft Edge, Brave, Opera, and Vivaldi should apply the corresponding upstream patch. Verify each vendor's advisory for their specific fixed version.
Workarounds
- Restrict browsing to trusted sites via enterprise policy until patching completes
- Deploy site isolation and strict extension controls to reduce renderer compromise risk
- Consider disabling hardware acceleration through the --disable-gpu flag as a temporary measure where performance impact is acceptable
# Verify installed Chrome version on Windows
reg query "HKLM\Software\Google\Update\Clients\{8A69D345-D564-463C-AFF1-A69D9E530F96}" /v pv
# Verify installed Chrome version on macOS
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version
# Verify installed Chrome version on Linux
google-chrome --version
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
