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Google Chrome CVE-2026-17840

| EUVDEUVD-2026-50589 MEDIUM
User Interface (UI) Misrepresentation of Critical Information (CWE-451)
2026-07-30 Chrome GHSA-rw9v-fqfw-2qxc
Medium
Disputed · 6.5 Vendor: Chrome
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Severity by source

Sources disagree (Medium–Critical)
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-delivered via crafted page, no privileges needed, user must interact; integrity high due to credential misdirection; no confidentiality or availability impact.

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:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
SUSE
CRITICAL
qualitative
Red Hat
6.5 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: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

5
Analysis Generated
Jul 31, 2026 - 16:39 vuln.today
CVSS changed
Jul 31, 2026 - 16:22 NVD
6.5 (MEDIUM)
Patch available
Jul 30, 2026 - 02:02 EUVD
CVE Published
Jul 30, 2026 - 00:19 cve.org
MEDIUM 6.5
CVE Published
Jul 30, 2026 - 00:19 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect security UI in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Domain spoofing via incorrect security UI in Google Chrome's built-in Passwords feature affects all Chrome versions prior to 151.0.7922.72. Remote unauthenticated attackers can serve a crafted HTML page that causes Chrome to misrepresent the origin domain within the password management UI, enabling deception of users into associating saved credentials with an attacker-controlled domain. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Register lookalike domain
Delivery
Craft HTML page triggering Passwords UI misrepresentation
Exploit
Deliver page link to victim
Install
Victim visits page in unpatched Chrome
C2
Incorrect domain displayed in password prompt
Execute
Victim saves or autofills credentials for attacker domain
Impact
Attacker harvests submitted credentials

Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to visit a crafted HTML page using an unpatched Chrome browser (any version prior to 151.0.7922.72), and to interact with Chrome's built-in Passwords UI during that visit - for example, by accepting a save-credentials prompt or allowing autofill. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N) scores 6.5 Medium, reflecting a network-delivered attack requiring no privileges but needing victim interaction (visiting a crafted page). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers a lookalike or typosquatting domain and serves a crafted HTML page that triggers Chrome's incorrect password UI rendering. When the victim visits the page in an unpatched Chrome browser, the Passwords UI displays a spoofed or misrepresented domain name, leading the user to believe a credential prompt or autofill event belongs to a trusted site. …
Remediation Upgrade Google Chrome to version 151.0.7922.72 or later - this is the vendor-confirmed fixed release documented in the Chrome stable channel update at http://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.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: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
SUSE Package Hub 15 SP7 Affected

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CVE-2026-17840 vulnerability details – vuln.today

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