PT-2026-48113 · Microsoft · Windows Kernel+1

CVE-2026-48583 · Published 2026-06-09 · Updated 2026-06-10

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Kernel (affected versions not specified)

Description A use-after-free condition in the Windows Kernel allows an authorized attacker to perform a local elevation of privilege, enabling them to gain administrative access to the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-08171

CVE-2026-48583

Affected Products

Windows

Windows Kernel

References · 10

• https://safe-surf.ru/specialists/bulletins-nkcki/733263 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48583 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-48583 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-48583 · Security Note
• https://bdu.fstec.ru/vul/2026-08171 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-48583 · Vendor Advisory
• https://t.me/cveNotify/166870 · Telegram Post
• https://twitter.com/dailycve/status/2064783714588987821 · Twitter Post
• https://twitter.com/vuldb/status/2064781800359280684 · Twitter Post
• https://twitter.com/windowsforum/status/2064462996462534973 · Twitter Post