CVE-2026-7978

{"id": "CVE-2026-7978", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2026-05-06T19:16:48.670", "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html", "tags": ["Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/497828892", "tags": ["Issue Tracking", "Permissions Required"], "source": "chrome-cve-admin@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Companion in Google Chrome on Mac prior to 148.0.7778.96 allowed a remote attacker to perform OS-level privilege escalation via malicious network traffic. (Chromium security severity: Medium)"}], "lastModified": "2026-05-06T23:23:59.177", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E9416A8-4333-4195-983C-78F521AF6245", "versionEndExcluding": "148.0.7778.96"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "chrome-cve-admin@google.com"}