7.8
CVE-2026-20810
- EPSS 0.05%
- Veröffentlicht 13.01.2026 17:56:10
- Zuletzt bearbeitet 14.01.2026 20:12:30
- Quelle secure@microsoft.com
- CVE-Watchlists
- Unerledigt
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.8276
Microsoft ≫ Windows 10 1809 HwPlatformx86 Version < 10.0.17763.8276
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.6809
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.6809
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.8276
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.05% | 0.153 |
| 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:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-590 Free of Memory not on the Heap
The product calls free() on a pointer to memory that was not allocated using associated heap allocation functions such as malloc(), calloc(), or realloc().