CVE-2026-93380

Race condition in FileSystem in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3 3.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/498411599	Permissions Required

Configurations

Configuration 1 (hide)

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

History

21 Sep 2026, 11:00

Type	Values Removed	Values Added
CPE		cpe:2.3:a:google:chrome::::::::
First Time		Google Google chrome
References	~~() https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html -~~	() https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html - Release Notes, Vendor Advisory
References	~~() https://issues.chromium.org/issues/498411599 -~~	() https://issues.chromium.org/issues/498411599 - Permissions Required

18 Sep 2026, 14:19

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 3.1

17 Sep 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 21:17

Updated : 2026-09-21 11:00

NVD link : CVE-2026-93380

Mitre link : CVE-2026-93380

CVE.ORG link : CVE-2026-93380

JSON object : View

Products Affected

google

chrome

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

{"id": "CVE-2026-93380", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93380", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T13:24:16.640703Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.6}]}, "affected": [{"source": "chrome-cve-admin@google.com", "affectedData": [{"vendor": "Google", "product": "Chrome", "versions": [{"status": "affected", "version": "153.0.8010.52", "lessThan": "153.0.8010.52", "versionType": "custom"}]}]}], "published": "2026-09-17T21:17:55.320", "references": [{"url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/498411599", "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-367"}]}], "descriptions": [{"lang": "en", "value": "Race condition in FileSystem in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)"}], "lastModified": "2026-09-21T11:00:34.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6266F9A8-7F2F-47DC-8080-B8404BB08D52", "versionEndExcluding": "153.0.8010.52"}], "operator": "OR"}]}], "sourceIdentifier": "chrome-cve-admin@google.com"}