CVE-2021-26427

4 documents4 sources

Severity

9.6CRITICAL

EPSS

0.5%

top 33.13%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

6

Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Microsoft Exchange Server 2016 Cumulative Update 21 Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 +3 more

Timeline

PublishedOct 13

Latest updateMay 24

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 2.3 | Impact: 6.0

Affected Packages6 packages

▶CVEListV5microsoft/microsoft_exchange_server_2013_cumulative_update_2315.00.0 — 15.00.1497.024

▶CVEListV5microsoft/microsoft_exchange_server_2016_cumulative_update_2115.01.0 — 15.01.2308.015

▶CVEListV5microsoft/microsoft_exchange_server_2016_cumulative_update_2215.0.0 — 15.01.2375.012

▶CVEListV5microsoft/microsoft_exchange_server_2019_cumulative_update_1015.02.0 — 15.02.0922.014

▶CVEListV5microsoft/microsoft_exchange_server_2019_cumulative_update_1115.02.0 — 15.02.0986.009

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2

GHSA

GHSA-wwfc-ph8v-qxf5: Microsoft Exchange Server Remote Code Execution Vulnerability↗2022-05-24

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CVEList

Microsoft Exchange Server Remote Code Execution Vulnerability↗2021-10-13

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📋Vendor Advisories

1

Microsoft

Microsoft Exchange Server Remote Code Execution Vulnerability↗2021-10-12

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