SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-36744

Microsoft Exchange Server Remote Code Execution Vulnerability

HIGH 8.0EPSS 57.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 57.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
57.11% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-502
Affected
microsoft/exchange server
Source
secure@microsoft.com
EPSS trend
0%30%60%23 September 2026: 59.02%24 September 2026: 57.11%3 November 2026: 57.11%23 September 20263 November 2026

EPSS moved from 59.0% on 23 September 2026 to 57.1% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.