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Google Chrome EUVDEUVD-2026-50701

| CVE-2026-17751 HIGH
Improper Privilege Management (CWE-269)
2026-07-30 Chrome GHSA-775j-7vvx-3xm5
High
Disputed · 8.8 Vendor: Chrome
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Attack ChainAIDerived

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

  1. Access
    Lure victim to crafted HTML page
  2. Delivery
    Page content processed by AdFilter
  3. Exploit
    Trigger improper privilege handling (CWE-269)
  4. Execution
    Execute arbitrary code in renderer sandbox
  5. Impact
    (requires chained escape for host impact)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK

1 technique across 1 tactic: 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 the victim to load attacker-controlled HTML content processed by Chrome's AdFilter component (UI:R - the user must visit or be redirected to a crafted page), and no authentication is required (PR:N). The primary limiting factor is that successful exploitation yields code execution only inside the renderer sandbox, not on the host, so full system compromise additionally requires chaining a distinct sandbox-escape bug. Affected only if running Chrome desktop prior to 151.0.7922.72; user interaction (navigating to the malicious page) is mandatory, and Chrome's site isolation/sandbox must be circumvented for any impact beyond the renderer.

Impact

Signals are mixed and should be weighed together rather than by CVSS alone. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H = 8.8) is high, driven by network vector, low complexity, no privileges, and high C/I/A impact, but it requires user interaction (UI:R) and the scope is Unchanged (S:U), consistent with the description's key caveat that code runs 'inside a sandbox.' Chromium itself rated this only Medium, which contrasts with the 8.8 base score - the CVSS impact metrics do not reflect the sandbox containment that limits real-world blast radius. EPSS is low (0.26%, 17th percentile), it is not on CISA KEV, and no public exploit is identified, so this is a real-but-not-urgent priority: important to patch as part of normal Chrome update cadence, but not an actively-exploited emergency. Note the tension: NVD/tags label this 'RCE / Privilege Escalation,' yet the described impact is sandbox-contained code execution, which typically requires chaining with a separate sandbox-escape bug to threaten the host - verify blast radius before treating as full RCE.

Exploit ScenarioDerived

An attacker hosts a crafted HTML page - or injects malicious ad/filter content into a page the victim already trusts - and lures the target into visiting it. When the page is rendered, the AdFilter component mishandles the content and the attacker gains arbitrary code execution within the renderer sandbox; to affect the host, the attacker would then need to chain a separate sandbox-escape vulnerability. No public exploit is identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 30, 2026

Sandboxed arbitrary code execution in Google Chrome's AdFilter component (versions prior to 151.0.7922.72 on desktop) allows a remote attacker to run code inside the renderer sandbox by luring a victim to a crafted HTML page. Rated Medium by Chromium and CVSS 8.8 by NVD, the flaw requires user interaction (visiting a malicious site) but no authentication; execution is confined to the sandbox rather than achieving full host compromise. There is no public exploit identified at time of analysis, and EPSS is low at 0.26% (17th percentile).

RemediationAI

Vendor-released patch: update Google Chrome to 151.0.7922.72 or later on the desktop Stable channel, per the Chrome Releases advisory (https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html); relaunch the browser to complete the update since Chrome staging does not apply until restart. In managed fleets, push the update via enterprise policy or your patch-management tooling and force a browser relaunch to ensure the patched binary is loaded. No standalone workaround is provided by the vendor for the AdFilter defect itself; as interim compensating controls until the update is deployed, restrict browsing to trusted sites and use web/DNS filtering to block untrusted or newly-registered domains (trade-off: does not stop malicious content on otherwise-trusted or compromised sites), and ensure OS-level and site-isolation sandbox protections remain enabled since the flaw is sandbox-contained and site isolation raises the bar for a full escape. Verify Chromium-based derivatives against their own vendor advisories and update them accordingly.

Affected VersionsENISA

Chrome 151.0.7922.72 <151.0.7922.72

Affected Packages

euvd chrome fix: 151.0.7922.72

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 vulnerability lives in Chrome's AdFilter subsystem, part of the browser's content/ad-blocking and filtering logic that parses and acts on attacker-influenced HTML/DOM content within the renderer process. It is classified as CWE-269 (Improper Privilege Management), meaning the component mishandles a privilege or trust boundary such that attacker-controlled page content can drive code execution within the renderer's security context. The affected component runs inside Chrome's multi-process sandbox, so the described 'arbitrary code execution inside a sandbox' means the attacker gains code execution in the constrained renderer rather than in the higher-privileged browser or OS context - a meaningful limitation that aligns with Chromium's 'Medium' internal severity despite the high NVD CVSS.

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Severity by source

Sources disagree (Medium–Critical)
Vendor (Chrome) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Remote crafted page needs no auth but requires the user to visit it (UI:R); high renderer-context C/I/A with scope unchanged since impact is sandbox-contained.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE CRITICAL
Red Hat 6.3 MEDIUM

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorVendor: Chrome

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

Lifecycle Timeline

4
CVSS changed
Jul 30, 2026 - 17:22 NVD
8.8 (HIGH)
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 30, 2026 - 00:19 cve.org
HIGH 8.8

DescriptionCVE.org

Inappropriate implementation in AdFilter in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

Executive ViewAI

Why It Matters

Google Chrome versions prior to 151.0.7922.72 on desktop contain an unauthenticated vulnerability enabling arbitrary code execution within the browser's sandbox when users visit malicious websites. With no public exploit identified at time of analysis, the immediate threat is contained, but this affects all organizational Chrome users and could enable credential theft or data exfiltration if exploitation tools emerge.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 83% exploitable
Prevalence
Ubiquitous
Chrome is the dominant desktop web browser worldwide
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 0.3%
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

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
SUSE Package Hub 15 SP7 Affected

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