CVE-2026-13828: Google Chrome Information Disclosure Flaw

CVE-2026-13828 Overview

CVE-2026-13828 is an information disclosure vulnerability in the Enterprise component of Google Chrome. Versions prior to 150.0.7871.47 allow a remote attacker to obtain potentially sensitive information from process memory by luring a user to a crafted HTML page. The flaw is categorized under [CWE-284] Improper Access Control. Google's Chromium security team rated the internal severity as High, while the assigned CVSS score is 6.5. The vulnerability requires user interaction and no authentication, and it affects Chrome installations across Windows, macOS, and Linux.

Critical Impact
A remote attacker can read fragments of Chrome process memory through a crafted web page, potentially exposing cookies, tokens, or other in-memory data belonging to the browsing session.

Affected Products

Google Chrome versions prior to 150.0.7871.47
Chrome desktop builds for Microsoft Windows
Chrome desktop builds for Apple macOS and Linux

Discovery Timeline

2026-06-30 - CVE-2026-13828 published to NVD
2026-07-01 - Last updated in NVD database

Technical Details for CVE-2026-13828

Vulnerability Analysis

The vulnerability resides in the Enterprise component of Google Chrome. An inappropriate implementation allows content rendered from a crafted HTML page to reach data structures that should remain isolated within the browser process. When triggered, the flaw exposes residual bytes from process memory to attacker-controlled JavaScript or DOM contexts. Because the leak occurs inside a privileged browser subsystem, exposed memory may contain authentication cookies, session tokens, cached credentials, or fragments of previously rendered pages. The issue is confined to information disclosure, so it does not by itself provide code execution or persistence, but leaked data can enable follow-on attacks such as session hijacking or targeted phishing.

Root Cause

The root cause is an access-control failure [CWE-284] in Chrome's Enterprise implementation. The component fails to enforce proper boundaries between attacker-reachable content and internal memory buffers, allowing a crafted HTML page to observe data that should remain inaccessible to web content.

Attack Vector

Exploitation is network-based and requires user interaction. An attacker hosts a crafted HTML page and convinces a target to visit it, typically through phishing, malvertising, or a compromised site. No authentication or elevated privileges are required. The vulnerability has no public proof-of-concept, is not listed in the CISA Known Exploited Vulnerabilities catalog, and carries an EPSS probability of 0.267% (18.29 percentile).

No verified exploit code is available. Technical details are tracked in the Chromium Issue Tracker Entry.

Detection Methods for CVE-2026-13828

Indicators of Compromise

Chrome browser processes on endpoints reporting version strings below 150.0.7871.47 in telemetry.
Outbound connections from browser processes to newly registered or low-reputation domains hosting HTML payloads.
Anomalous session token reuse from unexpected geographic locations following a user visiting an untrusted site.

Detection Strategies

Inventory Chrome versions across managed endpoints using EDR or software asset management data and flag any host below 150.0.7871.47.
Correlate web proxy logs with browser navigation events to identify visits to suspicious HTML pages targeting Chrome users.
Monitor identity providers for session anomalies that could indicate stolen cookies obtained through memory disclosure.

Monitoring Recommendations

Enable browser telemetry forwarding so version data and navigation events reach the SIEM for continuous compliance checks.
Alert on Chrome child process crashes or renderer anomalies that could accompany exploitation attempts.
Track authentication events from Chrome user agents against baselines to detect token replay.

How to Mitigate CVE-2026-13828

Immediate Actions Required

Update Google Chrome to version 150.0.7871.47 or later on all Windows, macOS, and Linux endpoints.
Force-restart Chrome after deployment to ensure the patched binary is loaded into memory.
Verify enterprise update channels and remove any policies pinning Chrome to an older milestone.

Patch Information

Google addressed the issue in the Stable channel release documented in the Google Chrome Update Announcement. Administrators should push the update through Chrome Browser Cloud Management, Group Policy, or the platform's native package manager.

Workarounds

Restrict browsing to trusted sites through enterprise URL allow-lists until patching completes.
Enable site isolation and strict SameSite cookie policies to reduce the value of any leaked memory contents.
Rotate authentication cookies and session tokens for users who may have visited untrusted content prior to patching.

bash

# Verify installed Chrome version on Linux/macOS
google-chrome --version

# Windows: query the registry for the installed Chrome version
reg query "HKLM\SOFTWARE\Google\Chrome\BLBeacon" /v version

# Expected output should be 150.0.7871.47 or higher