Vulnerability

CVE-2026-33825

Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.

Sharing: TLP:CLEAR
Confidence: 100
Source: Cybersecurity and Infrastructure Security Agency
Updated: 26/09/2026 01:50

Description

Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.

STIX identifiervulnerability--5aae51de-279f-528c-b141-31bb9ee83161

First observation-

Last observation-

Known relationships7

Aliases and classifications

CWE-1220Insufficient Granularity of Access Control

Minimised technical details

No raw data

cvss vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
cvss severity: HIGH
cisa kev: True
cvss score: 7.8

Provenance

Public references

Microsoft Defender Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825

EudorIA correlation

Intel catalogue

The vulnerability is also available in the EudorIA editorial catalogue.

Open EudorIA analysis

Presence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.