CVE-2021-34467: microsoft microsoft sharepoint enterprise server 2016
CVSS: 7.1v3.1HighModified
Published 16-07-2021Last modified 10-08-2026
Vulnerability summary
CVE-2021-34467 is a high (CVSS 7.1) vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 6.59% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
6.59%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-07-2021PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
6.59%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.59% on 21-09-2026
21-09-202621-10-2026
EPSS score6.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft5 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < 16.0.5188.1000
- microsoft sharepoint foundation 2013 service pack 1≥ 15.0.0, < 15.0.5363.1000
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10376.20001
- sharepoint_foundation2013:sp1
- sharepoint_server2016 | 2019
1 vendor · 5 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34467X Refsource MISCX TransferredPatchVendor Advisory