CVE-2020-17128
Microsoft Excel Remote Code Execution Vulnerability
HIGH
7.8
CVSS Score
Published: December 9, 2020 at 11:36 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
8 products affected across 1 vendorOffice365 AppsOffice 2019
Using Microsoft Office 2019 by Microsoft?
Get instant alerts when new vulnerabilities affect Microsoft Office 2019 - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 3%
Description
Microsoft Excel Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases16.0.1
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
13.0.0.0 ≤ v < publication15.0.0.0 ≤ v < publication16.0.0.0 ≤ v < publication13.0.0.015.0.0.016.0.0.02010 sp22013 sp12016
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < publication16.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
16.0.1 ≤ v < publication16.0.1
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
13.0.0.0 ≤ v < publication13.0.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17128PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17128CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card