No exploitation reportedFix available

CVE-2026-47294

Q: Is CVE-2026-47294 actively exploited?

Active exploitation of CVE-2026-47294 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-47294?

CVE-2026-47294 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Microsoft SharePoint Server Remote Code Execution Vulnerability

No exploitation reported by the sources we read.

Published2026-06-01
Fixed in16.0.19725.20280
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Timeline

dates in UTC

2026-06-0119:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-47294?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-47294?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft sharepoint server

Branch	Affected	Fixed in	Source
16.0	< 16.0.19725.20280	16.0.19725.20280	NVD
2016.x	= 2016	no fix published	NVD
2019.x	= 2019	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Microsoft sharepoint server to 16.0.19725.20280

Advisories and patches

msrc.microsoft.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2026-06-02
OpenCVESSVC decisionnone—
CNACVSS 3.18read 2026-10-23
CNAweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23
Microsoft MSRCadvisory—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: 2026-06-01
Last Modified: 2026-07-22
NVD status: Modified
MSRC Title: Microsoft SharePoint Server Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2026-47294?

Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Is CVE-2026-47294 actively exploited?

Active exploitation of CVE-2026-47294 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-47294?

CVE-2026-47294 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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