What is the CVSS score of EUVD-2026-66017?

EUVD-2026-66017 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a patch available for EUVD-2026-66017?

Yes, a patch is available for EUVD-2026-66017. Update the affected software to the latest version immediately.

Google Chrome EUVD-2026-66017

| CVE-2026-79141 MEDIUM

Incorrect Authorization (CWE-863)

2026-08-25 Chrome

GHSA-chx5-922j-v4jx

Google Authentication Bypass

4.3

CVSS 3.1 · Vendor: Chrome

Severity by source

Vendor (Chrome) PRIMARY

4.3 MEDIUM

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

vuln.today AI

4.3 MEDIUM

User interaction is required to visit a crafted page (UI:R); no scope change and confidentiality-only limited impact reflect partial same-origin policy bypass without write or availability consequences.

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

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

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Aug 28, 2026 - 00:25 vuln.today

CVSS changed

Aug 28, 2026 - 00:22 NVD

4.3 (MEDIUM)

CVE Published

Aug 25, 2026 - 20:10 cve.org

MEDIUM 4.3

CVE Published

Aug 25, 2026 - 20:10 cve.org

UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect authorization in Browser in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Incorrect authorization in Google Chrome's browser component prior to version 152.0.7977.65 allows web origin policy bypass via a crafted HTML page. Remote unauthenticated attackers can exploit this flaw by inducing a user to visit a malicious page, resulting in limited cross-origin data reads - a breach of the same-origin policy, which is a foundational browser security boundary. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation	Exploitation requires that the victim actively visit a crafted HTML page in an affected Chrome browser (version prior to 152.0.7977.65), confirmed by CVSS UI:R. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 3.1 base score of 4.3 (Medium) reflects a meaningful but constrained flaw: AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N. … 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	Update Google Chrome to version 152.0.7977.65 or later, which contains the vendor-released patch for this issue. … Detailed patch versions, workarounds, and compensating controls in full report.