CVE-2024-43503: Microsoft SharePoint Elevation of Privilege Vulnerability
Analyzed
Published 08-10-2024Last modified 19-08-2026
Vulnerability summary
CVE-2024-43503 is a high (CVSS 7.8) Improper Access Control vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.65%
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
- 08-10-2024PublishedVulnerability first disclosed.
- 19-08-2026Last modifiedVulnerability information updated.
Description
Microsoft SharePoint Elevation of Privilege Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.65% 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, < 16.0.5469.1000
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10415.20001
- microsoft sharepoint server subscription edition≥ 16.0.0, < 16.0.17928.20162
- sharepoint_serverna | 2016 | 2019
1 vendor · 4 products
