CVE-2021-31206 | BDVDB-2026-156913 Detail

MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 23

Description#

Microsoft Exchange Server Remote Code Execution Vulnerability

Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact low. Attack vector: network.

No weakness recorded in the source data.

No public exploit known

7.6 High

13.0%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 96.4.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

7.6 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L/E:F/RL:O/RC:C

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).