CVE-2024-43466: Microsoft SharePoint Server Denial of Service Vulnerability
Analyzed
Published 10-09-2024Last modified 10-08-2026
Vulnerability summary
CVE-2024-43466 is a high (CVSS 7.5) Deserialization of Untrusted Data vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 4.50% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
4.50%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 10-09-2024PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Microsoft SharePoint Server Denial of Service Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources2 sources · 6.5–7.5
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CDiffers
EPSS trend
Probability
4.50%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.50% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < 16.0.5465.1001
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10414.20002
- microsoft sharepoint server subscription edition≥ 16.0.0, < 16.0.17928.20086
- sharepoint_serverna | 2016 | 2019
1 vendor · 4 products
