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Google Chrome CVE-2026-13931

| EUVDEUVD-2026-40617 MEDIUM
Improper Access Control (CWE-284)
2026-06-30 chrome-cve-admin@google.com GHSA-73h2-64hc-q23c
6.5
CVSS 3.1 · Vendor: google
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Severity by source

Vendor (google) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
vuln.today AI
5.3 MEDIUM

AC:H reflects the explicit prerequisite that the renderer process must already be compromised before this UI spoofing can occur, raising real-world attack complexity above the provided vector.

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

Primary rating from Vendor (google).

CVSS VectorVendor: google

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

Lifecycle Timeline

4
Analysis Generated
Jul 01, 2026 - 16:33 vuln.today
CVSS changed
Jul 01, 2026 - 16:22 NVD
6.5 (MEDIUM)
CVE Published
Jun 30, 2026 - 23:17 cve.org
MEDIUM 6.5
CVE Published
Jun 30, 2026 - 23:17 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Inappropriate implementation in Media in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

UI spoofing in Google Chrome on Windows (prior to 150.0.7871.47) allows a remote attacker who has already compromised the renderer process to manipulate the browser interface via a specially crafted HTML page, potentially deceiving users into interacting with falsified content or controls. The vulnerability stems from an inappropriate implementation in the Media component and is classified as medium severity (CVSS 6.5). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify Chrome renderer vulnerability on Windows target
Delivery
Deliver initial exploit to compromise renderer process
Exploit
Craft malicious HTML page abusing media component
Execution
Induce victim to load crafted page
Persist
Spoof browser UI elements (address bar, dialogs)
Impact
Deceive user into trusting attacker-controlled content

Vulnerability AssessmentAI

Exploitation Exploitation requires two sequential conditions: first, the attacker must have already successfully compromised the Chrome renderer process on the target Windows system via a separate, unrelated vulnerability - this is a non-default, non-trivial precondition that implies chaining exploits. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.5 score with vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N reflects a network-reachable, high-integrity-impact flaw, but this vector warrants scrutiny: PR:N and AC:L appear optimistic given that the CVE description explicitly requires the attacker to have already compromised the renderer process - a significant non-trivial precondition that implies chaining with a separate renderer exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has already exploited a separate Chrome renderer vulnerability on a Windows host delivers a crafted HTML page that abuses the media component's inappropriate implementation to manipulate the browser's trusted UI chrome - for example, spoofing the address bar, dialog boxes, or permission prompts - causing the victim to believe they are interacting with a legitimate, trusted origin when they are not. No public proof-of-concept code has been identified, and this attack requires chaining with a renderer exploit, making opportunistic mass exploitation unlikely at this time.
Remediation Update Google Chrome on Windows to version 150.0.7871.47 or later, which is confirmed to include the fix per the vendor advisory at chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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CVE-2026-13931 vulnerability details – vuln.today

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