CVE-2026-10920

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{"bugzilla": {"description": "chromium-browser: Insufficient validation of untrusted input in WebShare", "id": "2485288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485288"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-79", "details": ["Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 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)", "An insufficient validation of untrusted input flaw was found in the WebShare component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=498977444"], "name": "CVE-2026-10920", "public_date": "2026-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-10920\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-10920\nhttps://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/498977444"], "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": "149.0.7827.53"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-06-05T01:30:25.358983+00:00", "updated": "2026-06-07T14:45:31.461078+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}