CVE-2023-36778

Microsoft Exchange Server Remote Code Execution Vulnerability

HIGH
8
CVSS Score
Published: October 10, 2023 at 05:08 PM UTC
Updated: June 17, 2026 at 06:07 AM UTC
1 product affected across 1 vendorExchange Server

Using Microsoft Exchange Server 2019 Cumulative Update 13 by Microsoft?

Get instant alerts when new vulnerabilities affect Microsoft Exchange Server 2019 Cumulative Update 13 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.01.0 ≤ v < 15.01.2507.03415.02.0 ≤ v < 15.02.1118.03915.02.0 ≤ v < 15.02.1258.02715.01.015.02.02016 cumulative_update_232019 cumulative_update_122019 cumulative_update_13
Affected range stops below 15.01.2507.034, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.1118.039, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.1258.027, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-426NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card