What is the CVSS score of EUVD-2026-74439?

EUVD-2026-74439 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.2%.

Is there a patch available for EUVD-2026-74439?

Yes, a patch is available for EUVD-2026-74439. Update the affected software to the latest version immediately.

Google Chrome EUVD-2026-74439

| CVE-2026-87519 MEDIUM

Incorrect Authorization (CWE-863)

2026-09-09 Chrome

GHSA-xh73-jrmm-87cf

Google

6.5

CVSS 3.1 · Vendor: Chrome

Severity by source

Vendor (Chrome) PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

vuln.today AI

6.5 MEDIUM

Network delivery via crafted page, no privileges needed, user interaction required via social engineering, integrity-only impact from restriction bypass, no scope change.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

Metadata Corrected

Sep 10, 2026 - 23:40 vuln.today

tag: Authentication Bypass removed

Analysis Generated

Sep 10, 2026 - 22:40 vuln.today

CVSS changed

Sep 10, 2026 - 20:22 NVD

6.5 (MEDIUM)

Patch available

Sep 09, 2026 - 01:03 EUVD

CVE Published

Sep 09, 2026 - 00:10 cve.org

MEDIUM 6.5

CVE Published

Sep 09, 2026 - 00:10 cve.org

UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect authorization in Safebrowsing in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

AnalysisAI

Incorrect authorization in Chrome's Safebrowsing component allows a remote, unauthenticated attacker to bypass system access restrictions by tricking a user into visiting a crafted HTML page via social engineering. Affected versions are all Chrome releases prior to 153.0.8010.36 on desktop platforms. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation	Exploitation requires a user running Google Chrome prior to 153.0.8010.36 to be socially engineered into visiting a specially crafted HTML page (UI:R). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	Real-world risk is moderate-to-low despite a CVSS 6.5 score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation	Upgrade Google Chrome to version 153.0.8010.36 or later via the browser's built-in update mechanism or the Chrome stable-channel advisory at chromereleases.googleblog.com. … Detailed patch versions, workarounds, and compensating controls in full report.