CVE-2026-47294
CVE-2026-47294 is a high-severity vulnerability in Microsoft Sharepoint Server with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-33745
- Weakness: CWE-78
- Affected product: Microsoft Sharepoint Server
- Published:
- Last modified:
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.
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.
- How severe is CVE-2026-47294?
- CVE-2026-47294 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-47294 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-47294?
- CVE-2026-47294 primarily affects Microsoft Sharepoint Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-47294?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-47294 have an EU (EUVD) identifier?
- Yes. CVE-2026-47294 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33745.
- When was CVE-2026-47294 published?
- CVE-2026-47294 was published on 2026-06-01 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Sharepoint Server
- CVE-2013-1330 — Critical (CVSS 10.0): The default configuration of Microsoft SharePoint Portal Server 2003 SP3, SharePoint Server 2007 SP3 and 2010 SP1 and…
- CVE-2020-1595 — Critical (CVSS 9.9): <p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from…
- CVE-2020-1210 — Critical (CVSS 9.9): <p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source…
- CVE-2026-20963 — Critical (CVSS 9.8): Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a…
- CVE-2025-53770 — Critical (CVSS 9.8): Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute…
- CVE-2023-29357 — Critical (CVSS 9.8): Microsoft SharePoint Server Elevation of Privilege Vulnerability
All CVEs affecting Microsoft Sharepoint Server →
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