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Google Chrome EUVDEUVD-2026-65892

| CVE-2026-78940 MEDIUM
Improper Initialization (CWE-665)
2026-08-25 Chrome GHSA-rcwf-5v85-2ggr
Medium
Disputed · 4.3 Vendor: Chrome
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Severity by source

Sources disagree (Medium–Critical)
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

Network delivery with no privilege needed is correct; UI:R is a hard requirement per the description; C:L reflects partial origin-policy bypass with no integrity or availability impact.

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:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
CRITICAL
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

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

Lifecycle Timeline

4
Analysis Generated
Aug 27, 2026 - 23:10 vuln.today
CVSS changed
Aug 27, 2026 - 20:37 NVD
4.3 (MEDIUM)
CVE Published
Aug 25, 2026 - 20:10 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 25, 2026 - 20:10 cve.org
MEDIUM 4.3

DescriptionCVE.org

Improper initialization in Network 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

Chrome's Network subsystem before version 152.0.7977.65 allows remote attackers to bypass the browser's web origin policy due to improper initialization (CWE-665), exploitable via a crafted HTML page that requires user interaction. The impact is limited to partial confidentiality disclosure (C:L), with no integrity or availability consequences, and the CVSS score of 4.3 (Medium) aligns with EPSS exploitation probability of 0.36% (29th percentile). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires a user to navigate to a crafted HTML page using Google Chrome prior to version 152.0.7977.65 - user interaction (UI:R) is a hard prerequisite confirmed by the CVSS vector, meaning passive drive-by exploitation without navigation is not possible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.3 Medium rating reflects a real but bounded risk: AV:N/AC:L/PR:N/UI:R captures a remotely triggerable flaw requiring no attacker privilege and only low complexity, but mandating user interaction. … 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, as released in the stable channel update documented at chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.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
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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EUVD-2026-65892 vulnerability details – vuln.today

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