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Chrome for iOS CVE-2026-17839

| EUVDEUVD-2026-50588 MEDIUM
User Interface (UI) Misrepresentation of Critical Information (CWE-451)
2026-07-30 Chrome GHSA-hr24-c349-3rp3
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 HTML requiring user visit (UI:R); no confidentiality or availability impact; integrity rated High because spoofed UI enables credential theft through user deception.

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

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 - 16:38 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

Inappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

UI spoofing in Google Chrome for iOS prior to 151.0.7922.72 enables a remote attacker to misrepresent browser interface elements - such as the address bar or security indicators - by delivering a crafted HTML page, potentially deceiving users into believing they are interacting with a trusted site or legitimate browser chrome. The vulnerability maps to CWE-451 (UI Misrepresentation of Critical Information) and carries a High integrity impact despite no direct confidentiality or availability loss, because successful spoofing can facilitate credential theft or social engineering at scale. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malicious HTML page exploiting iOS Chrome UI rendering
Delivery
Deliver link via phishing or malvertising
Exploit
Victim opens page in Chrome for iOS
Execution
Spoofed browser UI displayed (fake address bar or dialog)
Persist
Victim enters credentials or takes deceived action
Impact
Attacker harvests sensitive input

Vulnerability AssessmentAI

Exploitation User interaction is required (CVSS UI:R) - the victim must navigate to or be redirected to an attacker-controlled HTML page within Chrome for iOS. … 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 represents a network-delivered, low-complexity attack requiring no privileges but requiring user interaction - the victim must visit the attacker's page. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker sends a phishing link via email or SMS to an iOS Chrome user, directing them to a crafted HTML page that exploits the UI rendering flaw to display a convincing fake address bar showing a trusted domain (e.g., a bank or corporate SSO portal). The user, seeing what appears to be a legitimate browser UI, enters credentials into an attacker-controlled form. …
Remediation Update Google Chrome for iOS to version 151.0.7922.72 or later via the Apple App Store, as confirmed by Google's Chrome release advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.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
SUSE Package Hub 15 SP7 Affected

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CVE-2026-17839 vulnerability details – vuln.today

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