7.8
CVE-2026-21259
- EPSS 0.03%
- Veröffentlicht 10.02.2026 18:16:27
- Zuletzt bearbeitet 11.02.2026 19:12:00
- Quelle secure@microsoft.com
- CVE-Watchlists
- Unerledigt
Microsoft Excel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Office Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2021 SwPlatform- HwPlatformx86
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx86
Microsoft ≫ Office Online Server Version < 16.0.10417.20097
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.03% | 0.089 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| secure@microsoft.com | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.