CVE-2026-3539

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3539", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "REJECTED", "assignerShortName": "Chrome", "dateReserved": "2026-03-04T18:18:28.201Z", "datePublished": "2026-03-04T19:24:28.417Z", "dateUpdated": "2026-06-16T21:40:58.444Z", "dateRejected": "2026-06-16T21:40:58.444Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-06-16T21:40:58.444Z"}, "rejectedReasons": [{"lang": "en", "value": "Determined a bug and not a vulnerability"}]}}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3539", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "REJECTED", "assignerShortName": "Chrome", "dateReserved": "2026-03-04T18:18:28.201Z", "datePublished": "2026-03-04T19:24:28.417Z", "dateUpdated": "2026-06-16T21:40:58.444Z", "dateRejected": "2026-06-16T21:40:58.444Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-06-16T21:40:58.444Z"}, "rejectedReasons": [{"lang": "en", "value": "Determined a bug and not a vulnerability"}]}}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Rejected reason: Determined a bug and not a vulnerability"}], "id": "CVE-2026-3539", "lastModified": "2026-06-17T13:20:22.227", "metrics": {}, "published": "2026-03-04T20:16:20.957", "references": [], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Rejected"}

{"bugzilla": {"description": "chromium-browser: Object lifecycle issue in DevTools", "id": "2444620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2444620"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["Object lifecycle issue in DevTools in Google Chrome prior to 145.0.7632.159 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)"], "name": "CVE-2026-3539", "public_date": "2026-03-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3539\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3539\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/483853098"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[145.0.7632.159,145.0.7632.159)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-04-18T09:58:57.955513+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 145.0.7632.159 or later. ", "Remove untrusted or suspicious extensions and review new installations carefully. ", "In enterprise settings, enforce managed extension policies to block unknown or gray\u2011listed extensions."], "summary": {"action": "Patch", "impact": "Heap corruption through malicious Chrome extension"}, "threat_synthesis": {"affected_systems": "Google Chrome browsers version 145.0.7632.159 or earlier on all major operating systems \u2013 Windows, macOS, and Linux. The vulnerability is present across these platforms as part of the Chrome product itself.", "description_and_impact": "A flaw in Chrome\u2019s DevTools module allows an object to outlive its intended lifecycle, giving a malicious extension the ability to craft a payload that corrupts heap memory. The description notes that a user convinced to install a specially crafted extension could potentially exploit this issue. Because the impact involves heap corruption, the potential outcome could be browser instability or, if further leveraged, privilege escalation or arbitrary code execution, though the exact extent is not detailed.", "risk_and_exploitability": "The CVSS score of 8.8 signals a high severity, while the EPSS score of less than 1% suggests that, at present, the likelihood of exploitation is low. The flaw is not listed in the CISA KEV catalog, and no public exploits are known. Exploitation requires a user to install a malicious extension, indicating a social\u2011engineering component. Consequently, the overall risk is moderated by the low attack probability, but the potential impact remains significant if the flaw is successfully leveraged."}}}}, "created": "2026-03-05T09:05:55.195053+00:00", "updated": "2026-04-18T10:00:10.354697+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}