CVE-2020-17123

HIGHScheduled

Published:Dec 10, 2020(5 years ago)

Modified:Aug 28, 2025

Local AccessNo Auth RequiredLow Complexity

Vulnerability Description

Microsoft Excel Remote Code Execution Vulnerability

Attack Characteristics

Local AccessLow ComplexityNo Auth NeededUser Interaction Required

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AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
microsoft	365_apps	-	-
microsoft	excel	-	-
microsoft	excel	-

Timeline

Published
CVE disclosed publicly
Dec 10, 20205 years ago
Last Modified
Most recent update
Aug 28, 20259 months ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20262 months ago

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17123
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE...Patch

CVSS Score

v3.1

7.8/ 10.0

HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

microsoft / 365_apps

CVE-2020-17123

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2020-17123

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description