CVE-2019-1449

CRITICAL

Office Click-to-Run - Privilege Escalation

Title source: llm
STIX 2.1

Description

A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to SYSTEM.To exploit this bug, an attacker would have to run a specially crafted file, aka 'Microsoft Office ClickToRun Security Feature Bypass Vulnerability'.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0636
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (2)
microsoft/office 2019
microsoft/office_365_proplus
Published Nov 12, 2019
Tracked Since Feb 18, 2026