Security Feature Bypass in Microsoft Office Click-to-Run Components
CVE-2019-1449

9.8CRITICAL

Key Information:

Vendor

Microsoft
Status
Microsoft Office
Office 365 Proplus
Vendor
CVE Published:
12 November 2019

What is CVE-2019-1449?

A security feature bypass vulnerability in Microsoft Office Click-to-Run components allows attackers to exploit specially crafted files. This flaw could enable a standard user, any AppContainer sandbox, or Office LPAC Protected View to escalate privileges to SYSTEM. To successfully execute this exploit, an attacker must run a manipulated file, potentially compromising the security of the application and system.

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Affected Version(s)

Microsoft Office 2019 for 32-bit editions

Microsoft Office 2019 for 64-bit editions

Office 365 ProPlus 32-bit Systems

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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