CVE-2020-16855

Microsoft Office Information Disclosure Vulnerability

MEDIUM
5.5
CVSS Score
Published: September 11, 2020 at 05:08 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
3 products affected across 1 vendorOfficeOffice 2019Office 2016

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Severity
MEDIUM5.5
Exploit prediction
EPSS 4%

Description

<p>An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.</p> <p>The security update addresses the vulnerability by properly initializing the affected variable.</p>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

16.0.0 ≤ v < publication16.0.0
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

Remediation

No guide yet

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

CVSS

5.5MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125CWE-908

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