CVE-2026-45459Low· 3.3▾ SunlitProtection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 18.2 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
365_apps_for_enterprise >= 16.0.1 < https://aka.ms/OfficeSecurityReleasesoffice_365_for_mac >= 1.0.0 < 16.110.26061317office_ltsc_2024 >= 16.0.0 < https://aka.ms/OfficeSecurityReleasesoffice_ltsc_for_mac_2021 >= 16.0.1 < 16.110.26061317office_ltsc_for_mac_2024 >= 16.0.0 < 16.110.26061317Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-70125High· 8.8Microsoft Outlook Remote Code Execution Vulnerability
CVE-2026-70105Medium· 6.5Microsoft Word Information Disclosure Vulnerability
CVE-2026-70130High· 8.4Microsoft Office Remote Code Execution Vulnerability
CVE-2026-81955High· 8.8Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
CVE-2026-64917Medium· 5.5Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-64919High· 7.8Microsoft Access Remote Code Execution Vulnerability