CVE-2026-100201
7.0
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.0 / Impact: 5.9
Source: secure@microsoft.com (Secondary)
Description
Heap-based buffer overflow in Windows Client License Service allows an authorized attacker to elevate privileges locally.
Affected (21)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| version < 10.0.17763.9376 | |
| version < 10.0.19044.7807 | |
| version < 10.0.19045.7807 | |
| version < 10.0.22631.7652 | |
| version < 10.0.26100.9711 | |
| version < 10.0.26200.9711 | |
| version < 10.0.28000.3231 | |
| version < 10.0.26300.9711 | |
| version < 10.0.17763.9376 | |
| version < 10.0.20348.5761 | |
| version < 10.0.26100.33650 |
Related CWEs
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-197
Numeric Truncation Error
Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.
References (1)
Source: secure@microsoft.com
PatchVendor Advisory
Timeline
No history available yet.