PT-2026-48107 · Microsoft · Windows

CVE-2026-48570 · Published 2026-06-09 · Updated 2026-06-19

Positive Technologies (AI Summary)

CVSS v3.1

7.9

High

Base vector

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

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

Description A protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally. Secure Boot is a security standard developed by members of the PC industry to help make sure that a device boots using only software that is trusted by the Original Equipment Manufacturer (OEM).

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

DoS

Protection Mechanism Failure

Weakness Enumeration

CWE-693

Related Identifiers

BDU:2026-08361

CVE-2026-48570

Affected Products

Windows

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-48570 · Security Note
• https://bdu.fstec.ru/vul/2026-08361 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-48570 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48570 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-48570 · Vendor Advisory
• https://t.me/avleonovcom/1664 · Telegram Post
• https://twitter.com/alon_leviev/status/2064409481736224800 · Twitter Post