Incorrect boundary conditions in the Layout: Scrolling and Overflow component

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CVE-2026-117984 · Microsoft / collected KEV context

cve-program · CVE-2026-117984

• https://bugzilla.mozilla.org/show_bug.cgi?id=2078981
• https://www.mozilla.org/security/advisories/mfsa2026-118/
• https://www.mozilla.org/security/advisories/mfsa2026-120/
• https://www.mozilla.org/security/advisories/mfsa2026-121/
• https://www.mozilla.org/security/advisories/mfsa2026-122/

• Incorrect boundary conditions in the Layout: Scrolling and Overflow component · Newly collected advisory · 27 Oct 2026
• Incorrect boundary conditions in the Layout: Scrolling and Overflow component · Affected-version evidence changed · 27 Oct 2026