CVE-2026-42831

概要

参考情報

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42831 · Vendor Advisory

365 copilot のその他の脆弱性

• CVE-2026-85881高 8.0Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
• CVE-2026-58617緊急 9.8Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-41614中 6.2Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
• CVE-2026-41100中 4.4Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
• CVE-2026-40363高 8.4Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.