CVE-2021-38650

Microsoft Office Spoofing Vulnerability

HIGH
7.6
CVSS Score
Published: September 15, 2021 at 11:24 AM UTC
Updated: August 10, 2026 at 04:18 PM UTC
5 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
HIGH7.6
Exploit prediction
EPSS 2%

Description

Microsoft Office Spoofing 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
16.0.0 ≤ v < 5215.100016.0.0
Affected range stops below 5215.1000, so it looks safe — our inference, not a vendor statement
16.0.0 ≤ v < 16.53.2109120019.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases16.0.019.0.0
Affected range stops below 16.53.21091200, 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
15.0.0 ≤ v < 5381.100015.0.0
Affected range stops below 5381.1000, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.6HIGHmicrosoft
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