CVE-2026-6311

Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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/2026/04/stable-channel-update-for-desktop_15.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/498201025	Permissions Required

Configurations

Configuration 1 (hide)

AND

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

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

26 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Uso no inicializado en la accesibilidad en Google Chrome en Windows anterior a la versión 147.0.7727.101 permitía a un atacante remoto que había comprometido el proceso de renderizado realizar potencialmente un escape de sandbox a través de una página HTML manipulada. (Gravedad de seguridad de Chromium: Alta)

Information

Published : 2026-04-15 20:16

Updated : 2026-10-26 22:10

NVD link : CVE-2026-6311

Mitre link : CVE-2026-6311

CVE.ORG link : CVE-2026-6311

JSON object : View

Products Affected

google

chrome

microsoft

windows

CWE

CWE-457

Use of Uninitialized Variable

{"id": "CVE-2026-6311", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6311", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-16T03:56:13.774013Z"}}], "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": "147.0.7727.101", "lessThan": "147.0.7727.101", "versionType": "custom"}]}]}], "published": "2026-04-15T20:16:40.767", "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/498201025", "tags": ["Permissions Required"], "source": "chrome-cve-admin@google.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "chrome-cve-admin@google.com", "description": [{"lang": "en", "value": "CWE-457"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-457"}]}], "descriptions": [{"lang": "en", "value": "Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)"}, {"lang": "es", "value": "Uso no inicializado en la accesibilidad en Google Chrome en Windows anterior a la versi\u00f3n 147.0.7727.101 permit\u00eda a un atacante remoto que hab\u00eda comprometido el proceso de renderizado realizar potencialmente un escape de sandbox a trav\u00e9s de una p\u00e1gina HTML manipulada. (Gravedad de seguridad de Chromium: Alta)"}], "lastModified": "2026-10-26T22:10:00.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "571DC362-C7E4-4FA4-A493-9DD22A4DACC6", "versionEndExcluding": "147.0.7727.101"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "chrome-cve-admin@google.com"}