CVE-2026-19558

Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/536676756	Permissions Required

Configurations

Configuration 1 (hide)

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

History

23 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Uso después de liberar en Extensiones en Google Chrome anterior a 151.0.7922.137 permitía a un atacante que convenciera a un usuario para instalar una extensión maliciosa ejecutar código arbitrario dentro de una sybox mediante una Extensión de Chrome manipulada. (Gravedad de seguridad de Chromium: Alta)

Information

Published : 2026-08-11 22:17

Updated : 2026-10-23 20:10

NVD link : CVE-2026-19558

Mitre link : CVE-2026-19558

CVE.ORG link : CVE-2026-19558

JSON object : View

Products Affected

google

chrome

CWE

CWE-416

Use After Free

{"id": "CVE-2026-19558", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19558", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "affected": [{"source": "chrome-cve-admin@google.com", "affectedData": [{"vendor": "Google", "product": "Chrome", "versions": [{"status": "affected", "version": "151.0.7922.137", "lessThan": "151.0.7922.137", "versionType": "custom"}]}]}], "published": "2026-08-11T22:17:21.440", "references": [{"url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/536676756", "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-416"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)"}, {"lang": "es", "value": "Uso despu\u00e9s de liberar en Extensiones en Google Chrome anterior a 151.0.7922.137 permit\u00eda a un atacante que convenciera a un usuario para instalar una extensi\u00f3n maliciosa ejecutar c\u00f3digo arbitrario dentro de una sybox mediante una Extensi\u00f3n de Chrome manipulada. (Gravedad de seguridad de Chromium: Alta)"}], "lastModified": "2026-10-23T20:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "119C42F6-2FCC-4DFE-9BE6-183C651C8122", "versionEndExcluding": "151.0.7922.137"}], "operator": "OR"}]}], "sourceIdentifier": "chrome-cve-admin@google.com"}