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Google Chrome CVE-2026-11692

| EUVDEUVD-2026-35218 HIGH
Use After Free (CWE-416)
2026-06-09 chrome-cve-admin@google.com GHSA-78gr-622p-8fm9
8.3
CVSS 3.1 · Vendor: google
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Victim visits crafted page
  2. Delivery
    Chain prior renderer RCE
  3. Exploit
    Trigger Read Anything UAF
  4. Execution
    Corrupt heap from renderer
  5. Persist
    Escape Chrome sandbox
  6. Impact
    Execute code at user privileges

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Memory lifecycle management
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires (1) a pre-existing compromise of the Chrome renderer process - the attacker must already be executing code inside the sandbox via a separate renderer bug, as explicitly stated in the CVE description; (2) the victim must load a crafted HTML page in a vulnerable Chrome version (UI:R user interaction), specifically content that exercises the Read Anything code path; and (3) the target must be running Chrome prior to 149.0.7827.103. Limiting factors: high attack complexity (AC:H) reflecting heap-grooming and timing requirements typical of use-after-free exploitation, the hard prerequisite of a chained renderer exploit (this is not a one-shot drive-by), and the requirement that the Read Anything feature be reachable in the target build. No authentication is required at the network layer (PR:N), consistent with web-delivered attacks.

Impact

The CVSS 8.3 vector (AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H) reflects high complexity, required user interaction (visiting a malicious page), changed scope (sandbox escape), and full CIA impact - consistent with a second-stage browser exploit. There is no KEV listing and no public POC identified, and EPSS data is not provided in the input, so this should be treated as a high-severity patch-soon issue rather than an actively-exploited emergency. The key caveat is that exploitation explicitly requires a prior renderer compromise, meaning real-world risk depends on an attacker also possessing a separate renderer RCE primitive; in a chained 1-day or 0-day scenario this becomes a critical escalator, but standalone it is not directly exploitable from a web page. No conflicting signals were observed between the description and CVSS vector.

Exploit ScenarioDerived

An attacker first lands a separate renderer-process RCE (via a prior 0-day or chained N-day) when a victim visits a malicious or compromised website; once code is executing inside the sandboxed renderer, the attacker triggers the Read Anything use-after-free with a crafted HTML page to corrupt heap state and pivot out of the sandbox into a more privileged Chrome process. With sandbox escape achieved, the attacker can read arbitrary user files, install persistence, and operate with the privileges of the Chrome user. No public exploit has been identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 09, 2026

Sandbox escape in Google Chrome versions prior to 149.0.7827.103 allows remote attackers who have already compromised the renderer process to break out of the sandbox via a use-after-free in the Read Anything component when processing a crafted HTML page. Google rates this Chromium-severity High, and no public exploit has been identified at time of analysis, but the CVSS 8.3 score reflects the severity of full sandbox escape leading to scoped impact beyond the renderer. This is a second-stage bug requiring chaining with a renderer compromise, not a one-shot drive-by.

RemediationAI

Vendor-released patch: Google Chrome 149.0.7827.103 - update Chrome via Help > About Google Chrome and relaunch the browser, or push the update through enterprise management (Chrome Browser Cloud Management, Group Policy auto-update). Refer to the Chrome Releases advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html and the upstream bug tracker entry at https://issues.chromium.org/issues/517607902. For downstream Chromium browsers, apply vendor updates as soon as they ship the merged fix. If immediate patching is not possible, compensating controls include disabling the Read Anything / reading-mode feature via enterprise policy where supported (trade-off: loss of accessibility functionality for users who rely on it), and restricting browsing to known-good sites via web filtering to reduce exposure to crafted HTML payloads (trade-off: operational friction, no protection against compromised legitimate sites).

Affected VersionsENISA

Chrome 149.0.7827.103 <149.0.7827.103

Affected Packages

euvd chrome fix: 149.0.7827.103

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is a CWE-416 (Use After Free) memory corruption issue in Chrome's Read Anything feature, an accessibility/reading-mode component that processes page content in the renderer process to extract readable text. Use-after-free conditions occur when freed heap memory is later dereferenced, enabling attackers to control object layout and hijack execution flow. Because this bug lives in code reachable across the renderer-to-broker IPC boundary, exploitation can transition control from the sandboxed renderer to a higher-privileged Chrome process, which is the explicit sandbox escape primitive described. Affected component is Chromium-based Google Chrome desktop builds before 149.0.7827.103.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (google) PRIMARY 8.3 HIGH
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
SUSE CRITICAL
Red Hat 9.0 HIGH

Primary rating from Vendor (google).

CVSS VectorVendor: google

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
CVSS changed
Jun 09, 2026 - 02:22 NVD
8.3 (HIGH)
CVE Published
Jun 09, 2026 - 00:16 nvd
UNKNOWN (no severity yet)
CVE Published
Jun 09, 2026 - 00:16 nvd
HIGH 8.3

DescriptionCVE.org

Use after free in Read Anything in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Executive ViewAI

Why It Matters

Google Chrome versions prior to 149.0.7827.103 contain a high-severity vulnerability (CVE-2026-11692, CVSS 8.3) enabling attackers to bypass Chrome sandbox protections and access system resources. While no public exploit identified at time of analysis, the vulnerability requires all Chrome deployments to patch immediately to prevent potential attacks. Organizations must prioritize remediation to maintain endpoint security posture.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.1%
Top 79% exploitable
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment MSRC Vendor VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +42
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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CVE-2026-11674 HIGH
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CVE-2026-11675 LOW
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CVE-2026-11679 HIGH
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CVE-2026-11680 HIGH
8.8
CVE-2026-11682 HIGH
8.3
CVE-2026-11683 HIGH
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CVE-2026-11684 LOW
3.1
CVE-2026-11685 MEDIUM
4.3
CVE-2026-11686 LOW
3.1
CVE-2026-11687 HIGH
8.8
CVE-2026-11688 HIGH
8.8
CVE-2026-11689 HIGH
8.1
CVE-2026-11691 LOW
3.1
CVE-2026-11694 HIGH
7.5
CVE-2026-11695 MEDIUM
4.3
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Vendor StatusVendor

SUSE

Severity: Critical
Product Status
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed

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