CVE-2026-23657

Description

References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23657 · Vendor Advisory

Weitere Schwachstellen in office long term servicing channel

• CVE-2026-42832MITTEL 5.5Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
• CVE-2026-42831HOCH 7.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
• CVE-2026-40421MITTEL 4.3Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally…
• CVE-2026-40420HOCH 8.8Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
• CVE-2026-40419HOCH 7.8Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.