CVE-2026-42980
7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com
Description
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
Affected (24)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 10.0.14393.9234 | |
| Before 10.0.17763.8880 | |
| Before 10.0.19044.7417 | |
| Before 10.0.19045.7417 | |
| Before 10.0.22631.7219 | |
| Before 10.0.26100.8655 | |
| Before 10.0.26200.8655 | |
| Before 10.0.28000.2269 | |
| All versions | |
| Before 10.0.14393.9234 | |
| Before 10.0.17763.8880 | |
| Before 10.0.20348.5256 | |
| Before 10.0.26100.32995 |
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-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.
References (1)
Source: secure@microsoft.com
Vendor Advisory
Timeline
No history available yet.