CVE-2026-121090

Improper privilege management in Navigation in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/568936993	Permissions Required

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*

History

04 Nov 2026, 14:53

Type	Values Removed	Values Added
First Time		Apple Google Apple iphone Os Google chrome
CPE		cpe:2.3:o:apple:iphone_os:-:::::::* cpe:2.3:a:google:chrome::::::::
References	~~() https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html -~~	() https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html - Release Notes, Vendor Advisory
References	~~() https://issues.chromium.org/issues/568936993 -~~	() https://issues.chromium.org/issues/568936993 - Permissions Required

03 Nov 2026, 22:19

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.3

03 Nov 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-03 21:17

Updated : 2026-11-04 14:53

NVD link : CVE-2026-121090

Mitre link : CVE-2026-121090

CVE.ORG link : CVE-2026-121090

JSON object : View

Products Affected

google

chrome

apple

iphone_os

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2026-121090", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-121090", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-11-03T21:12:11.614637Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.6}]}, "affected": [{"source": "chrome-cve-admin@google.com", "affectedData": [{"vendor": "Google", "product": "Chrome", "versions": [{"status": "affected", "version": "157.0.8103.38", "lessThan": "157.0.8103.38", "versionType": "custom"}]}]}], "published": "2026-11-03T21:17:14.680", "references": [{"url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/568936993", "tags": ["Permissions Required"], "source": "chrome-cve-admin@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "chrome-cve-admin@google.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Improper privilege management in Navigation in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "lastModified": "2026-11-04T14:53:13.840", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D027DBD-0C99-494F-90E6-3AE1BB156A9A", "versionEndExcluding": "157.0.8103.38"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B5415705-33E5-46D5-8E4D-9EBADC8C5705"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "chrome-cve-admin@google.com"}