PT-2026-32733 · Microsoft · Encrypting File System+1

Hangyu Hua + 1 · Published 2026-04-14 · Updated 2026-04-15 · CVE-2026-26153

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 Encrypting File System (affected versions not specified)

Description An out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-05658

CVE-2026-26153

Affected Products

Encrypting File System

Windows

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26153 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-26153 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26153 · Security Note
• https://bdu.fstec.ru/vul/2026-05658 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26153 · Security Note
• https://twitter.com/CVEnew/status/2044358623908753822 · Twitter Post
• https://twitter.com/infoflowcloud/status/2044360480521666794 · Twitter Post