HIGHCVSS 7.2Actively exploited · CISA KEV since 2024-08-21Vulnerability

CVE-2021-31196

Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.

Properties

Euvd product
Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Exchange Server 2019 Cumulative Update 10, Microsoft Exchange Server 2013 Cumulative Update 23
Vulnerability name
Microsoft Exchange Server Information Disclosure Vulnerability
First seen
2026-08-10T15:10:55+00:00
Cvss score
7.2
Epss score
0.54056
Last seen
2026-10-19T12:00:27+00:00
Due date
2024-09-11
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2024-08-21T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2024-08-21
Euvd base score version
3.1
Score
7.2
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.2

Related Entities (7)

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CVE-2021-31196 (CVSS 7.2) — Ninja Signal Threat Intelligence | Ninja Signal