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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current 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>
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, aka 'Microsoft Office Information Disclosure Vulnerability'.
Metrics
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vector strings. CVSS information contributed by other sources is also
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CVE Modified by Microsoft Corporation6/16/2026 10:58:09 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Microsoft","product":"Microsoft Office 2019 for Mac","cpes":["cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*"],"platforms":["Unknown"],"versions":[{"version":"16.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2016 for Mac","cpes":["cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*"],"platforms":["Unknown"],"versions":[{"version":"16.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]}]
CVE Modified by Microsoft Corporation2/23/2026 1:21:11 PM
Action
Type
Old Value
New Value
Changed
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>
<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>
CVE Modified by Microsoft Corporation5/14/2024 2:33:18 AM
Action
Type
Old Value
New Value
CVE Modified by Microsoft Corporation12/31/2023 5:15:50 PM
Action
Type
Old Value
New Value
Changed
Description
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, aka 'Microsoft Office Information Disclosure Vulnerability'.
<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>
Added
CVSS V3.1
Microsoft Corporation AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE Remap by NIST7/21/2021 7:39:23 AM
Action
Type
Old Value
New Value
Changed
CWE
CWE-125
CWE-125
CWE-908
Initial Analysis by NIST9/15/2020 11:52:00 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Added
CVSS V2
NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Added
CWE
NIST CWE-125
Added
CPE Configuration
OR
*cpe:2.3:a:microsoft:office:2016:*:*:*:*:macos:*:*
*cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
Changed
Reference Type
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16855 No Types Assigned