How severe is CVE-2026-47298?

CVE-2026-47298 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-2026-47298 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47298?

CVE-2026-47298 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-2026-47298?

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-2026-47298 have an EU (EUVD) identifier?

Yes. CVE-2026-47298 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35505.

When was CVE-2026-47298 published?

CVE-2026-47298 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-47298

CVE-2026-47298 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-285.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35505
Weakness: CWE-285
Affected product: Microsoft Sharepoint Server
Published: 2026-06-09
Last modified: 2026-06-17

Description

Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2026-47298?: Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
How severe is CVE-2026-47298?: CVE-2026-47298 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-2026-47298 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47298?: CVE-2026-47298 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-2026-47298?: 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-2026-47298 have an EU (EUVD) identifier?: Yes. CVE-2026-47298 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35505.
When was CVE-2026-47298 published?: CVE-2026-47298 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47298

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:*:*:*:*:*:*:*

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