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Google Chrome EUVDEUVD-2026-50602

| CVE-2026-17853 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-07-30 Chrome GHSA-2gvw-rh95-856r
Medium
Disputed · 6.1 Vendor: Chrome
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Severity by source

Sources disagree (Medium–Critical)
Vendor (Chrome) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
4.7 MEDIUM

AC:H reflects the hard prerequisite of a compromised renderer process; all other metrics align with network delivery, scope change to DevTools, and limited XSS impact.

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

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

5
Analysis Generated
Jul 31, 2026 - 19:35 vuln.today
CVSS changed
Jul 31, 2026 - 19:22 NVD
6.1 (MEDIUM)
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:19 cve.org
MEDIUM 6.1
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Inappropriate implementation in DevTools in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to inject scripts or HTML into a privileged page via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Script and HTML injection into privileged DevTools pages in Google Chrome prior to 151.0.7922.72 is enabled when an attacker has already compromised the renderer process, exploiting an inappropriate implementation in DevTools (CWE-79). The vulnerability requires chaining with a prior renderer exploit: alone it cannot be triggered by a remote unauthenticated attacker without that precondition, making it a sandbox-escape amplifier rather than a standalone remote attack. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Deliver crafted HTML page to victim
Delivery
Exploit separate renderer process vulnerability
Exploit
Achieve code execution in sandboxed renderer
Execution
Inject malicious script/HTML via DevTools implementation flaw
Persist
Execute attacker code in privileged DevTools context
Impact
Access elevated Chrome internal APIs

Vulnerability AssessmentAI

Exploitation Exploitation requires two distinct preconditions. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, score 6.1) captures the scope change to a privileged context and the network delivery pathway but understates attack complexity: the description explicitly requires a prior renderer compromise, a significant precondition that elevates real-world attack complexity well beyond AC:L. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has already exploited a separate renderer process vulnerability in Chrome crafts a malicious HTML page that leverages the DevTools implementation flaw to inject attacker-controlled script into a privileged DevTools page when the victim visits the attacker-controlled site. The injected script executes within the elevated DevTools context, potentially accessing internal Chrome debugging APIs beyond the renderer sandbox's normal reach. …
Remediation The primary fix is to update Google Chrome to version 151.0.7922.72 or later, which is available via Chrome's built-in auto-update mechanism or the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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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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EUVD-2026-50602 vulnerability details – vuln.today

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