CVE-2024-49040: microsoft exchange_server
CVSS: 7.5v3.1HighAnalyzed
Published 12-11-2024Last modified 08-07-2025
Vulnerability summary
CVE-2024-49040 is a high (CVSS 7.5) vulnerability in microsoft exchange_server. EPSS estimates a 8.47% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
8.47%
0%100%
Low · +0.94 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-11-2024PublishedVulnerability first disclosed.
- 08-07-2025Last modifiedVulnerability information updated.
Description
Microsoft Exchange Server Spoofing Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
8.47%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
+0.94 pp
From 7.53% on 21-09-2026
21-09-202621-10-2026
EPSS score8.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- exchange_serverEOL2016 | 2016:cumulative_update_1 | 2016:cumulative_update_10 | 2016:cumulative_update_11 | 2016:cumulative_update_12 | 2016:cumulative_update_13 | 2016:cumulative_update_14 | 2016:cumulative_update_15 | 2016:cumulative_update_16 | 2016:cumulative_update_17 | 2016:cumulative_update_18 | 2016:cumulative_update_19 | 2016:cumulative_update_2 | 2016:cumulative_update_20 | 2016:cumulative_update_21 | 2016:cumulative_update_22 | 2016:cumulative_update_3 | 2016:cumulative_update_4 | 2016:cumulative_update_5 | 2016:cumulative_update_6 | 2016:cumulative_update_7 | 2016:cumulative_update_8 | 2016:cumulative_update_9 | 2019 | 2019:cumulative_update_1 | 2019:cumulative_update_10 | 2019:cumulative_update_11 | 2019:cumulative_update_12 | 2019:cumulative_update_2 | 2019:cumulative_update_3 | 2019:cumulative_update_4 | 2019:cumulative_update_5 | 2019:cumulative_update_6 | 2019:cumulative_update_7 | 2019:cumulative_update_8 | 2019:cumulative_update_9
- microsoft exchange server 2016 cumulative update 23≥ 15.01.0, < 15.01.2507.044
- microsoft exchange server 2019 cumulative update 13≥ 15.02.0, < 15.02.1258.039
- microsoft exchange server 2019 cumulative update 14≥ 15.02.0, < 15.02.1544.014
1 vendor · 4 products