جزئیات آسیب‌پذیری

CVE-2026-21259

Microsoft 365 Apps for EnterpriseMicrosoft ExcelMicrosoft OfficeMicrosoft Office LTSCMicrosoft Office Online Server

Microsoft Excel Elevation of Privilege Vulnerability

CVSS 3.1

7.8بالا

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.

امتیاز	نسخه	منبع	بردار
7.8بالا	3.1	CVEProject cvelistV5 (CNA) (microsoft)	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C`

فروشنده	محصول	نسخه‌ها	منبع
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases	CVEProject cvelistV5 (CNA)
Microsoft	Microsoft Excel 2016	16.0.0.0 ≤ v < 16.0.5539.1002	CVEProject cvelistV5 (CNA)
Microsoft	Microsoft Office 2019	19.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases	CVEProject cvelistV5 (CNA)
Microsoft	Microsoft Office LTSC 2021	16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases	CVEProject cvelistV5 (CNA)
Microsoft	Microsoft Office LTSC 2024	16.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases	CVEProject cvelistV5 (CNA)
Microsoft	Office Online Server	16.0.0.0 ≤ v < 16.0.10417.20097	CVEProject cvelistV5 (CNA)

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احتمال بهره‌برداری در ۳۰ روز

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صدک (نسبت به همه‌ی CVEها)