CVE-2026-42980

High

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

secure@microsoft.com·CWE-122·Published 2026-06-09

CVSS

7.8

EPSS

0.03

KEV

Exploits

cve.orgen

123 chars

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

NVDen

123 chars

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	7.8	—	—	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
3.1	Secondary	ENISA EUVD	7.8	—