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{"bugzilla": {"description": "chromium-browser: Incorrect security UI in PictureInPicture", "id": "2446852", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446852"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "details": ["An incorrect security ui flaw was found in the PictureInPicture component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=475238879"], "name": "CVE-2026-3942", "public_date": "2026-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3942\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3942\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html\nhttps://issues.chromium.org/issues/475238879"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[146.0.7680.71,146.0.7680.71)"}}], "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": "2026-04-16T02:49:11.742405+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to the latest stable release (at least 146.0.7680.71) to remove the UI spoofing issue.", "Ensure automatic updates are enabled for Chrome so future patches are applied promptly.", "Limit Picture\u2011in\u2011Picture usage to trusted sites or disable the feature until the issue is fully resolved."], "summary": {"action": "Immediate Patch", "impact": "User Interface Spoofing"}, "threat_synthesis": {"affected_systems": "Google Chrome browsers below version 146.0.7680.71 on any supported operating system\u2014Windows, macOS, and Linux\u2014are affected. The issue is present in the stable channel build and impacts all users who enable PIP on webpages.", "description_and_impact": "The vulnerability is an incorrect security UI in Google Chrome\u2019s Picture\u2011in\u2011Picture (PIP) mode. A remote attacker can craft an HTML page that triggers PIP and displays UI elements that appear legitimate but mimic system notifications or prompts, allowing the user to be deceived into interacting with malicious content. This constitutes user interface spoofing (CWE\u2011451) and could lead to social\u2011engineering attacks.", "risk_and_exploitability": "The CVSS v3.1 score of 4.3 reflects a low severity. The EPSS score is less than 1\u202f%, indicating a very low probability of exploitation. The vulnerability is not listed in the CISA KEV catalog. An attacker would need to get the victim to visit a malicious webpage with PIP enabled; the exploit is remote and requires no local privilege. Given the low probability and user\u2011centric impact, the risk is considered low, but mitigation through updating remains recommended."}}}}, "created": "2026-03-12T09:55:09.919726+00:00", "updated": "2026-04-16T03:00:09.180895+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}