CVE-2020-1581
Microsoft Office Click-to-Run Elevation of Privilege Vulnerability
Published Aug 17, 2020
CVSS 3.1 · 7.8 High
EPSS 3.7%
KEV · Not listed
Description
An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system.
An attacker could exploit this vulnerability by running a specially crafted application on the victim system.
The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory.
An attacker could exploit this vulnerability by running a specially crafted application on the victim system.
The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory.
Affected Products
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CVE record
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NVD configurations
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Red Hat packages
No data
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OpenCVE enrichment
No data
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Microsoft | Microsoft Office 2013 Click-to-Run (C2R) | affected |
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| Microsoft | Microsoft Office 2019 | affected |
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| Microsoft | Microsoft 365 Apps for Enterprise | affected |
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Configuration 1 [-]
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No data.
No data available yet.
Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Local
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction Required
No CVSS v3.0
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
Exploit prediction score: 3.7% (3.717% probability within 30 days)
Key SSVC decision points have not yet been added.
References
History
Feb 23, 2026 6:15 PM
Description updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory. | An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory. |
Weaknesses
