Microsoft Exchange Server
CVE-2024-49040 — Microsoft Exchange Server Spoofing Vulnerability
Executive Summary
None
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.7
EPSS Score
0.07748
probability of exploitation in the next 30 days
0.94005 percentile - updated 2026-07-25
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Exchange Server 2016 Cumulative Update 23 | 5049233 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Exchange Server 2019 Cumulative Update 13 | 5049233 (Security Update) |
Important | Spoofing | Yes |
| Microsoft Exchange Server 2019 Cumulative Update 14 | 5049233 (Security Update) |
Important | Spoofing | Yes |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
5049233 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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