7.8
CVE-2026-20957
- EPSS 0.16%
- Veröffentlicht 13.01.2026 17:57:09
- Zuletzt bearbeitet 14.01.2026 19:47:43
- Quelle secure@microsoft.com
- CVE-Watchlists
- Unerledigt
Microsoft Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code 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 Version2021 SwPlatformmacos
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx64
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatform- HwPlatformx86
Microsoft ≫ Office Long Term Servicing Channel Version2024 SwPlatformmacos
Microsoft ≫ Office Online Server Version < 16.0.10417.20083
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.16% | 0.366 |
| 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-191 Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.