CVE-2020-1224
Microsoft Excel Information Disclosure Vulnerability
Published Sep 11, 2020
CVSS 3.1 · 5.5 Medium
EPSS 4.4%
KEV · Not listed
Description
<p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p>
<p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p>
<p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>
<p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p>
<p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>
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 SharePoint Enterprise Server 2013 Service Pack 1 | affected |
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| Microsoft | Microsoft Office 2019 | affected |
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| Microsoft | Microsoft Office 2019 for Mac | affected |
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| Microsoft | Microsoft Office Online Server | affected |
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| Microsoft | Microsoft 365 Apps for Enterprise | affected |
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| Microsoft | Microsoft Excel 2016 | affected |
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| Microsoft | Microsoft Office 2016 for Mac | affected |
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| Microsoft | Microsoft Excel 2010 Service Pack 2 | affected |
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| Microsoft | Microsoft Excel 2013 Service Pack 1 | affected |
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| Microsoft | Microsoft Office Web Apps 2013 Service Pack 1 | 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 None
Availability Impact None
User Interaction Required
No CVSS v3.0
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
Exploit prediction score: 4.4% (4.352% 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 | <p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p> | <p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p> |
Subscriptions
Weaknesses
