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01 Record

CVE-2020-16947

Microsoft Outlook Remote Code Execution Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
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02 Description

Microsoft Outlook Remote Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
33.65% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 98.3% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-16 00:00Z6 YR AGO
Last updated
2024-08-04 13:45Z2 YR AGO
Reserved
2020-08-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weaknesses
Data version
5.1
Document digest
1ad7165e85c3cc13b62a069d0f38af49e9b494a86fc952e96fa2da1c6c1c3970

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft Office 201919.0.0 to < https://aka.ms/OfficeSecurityReleases32-bit Systems, x64-based Systems
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1 to < https://aka.ms/OfficeSecurityReleases32-bit Systems, x64-based Systems
MicrosoftMicrosoft Outlook 201616.0.0.0 to < publication32-bit Systems, x64-based Systems

06 References