How severe is CVE-2018-0799?

CVE-2018-0799 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-0799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0799?

CVE-2018-0799 primarily affects Microsoft Sharepoint Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0799?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-0799 published?

CVE-2018-0799 was published on 2018-01-10 and last updated on 2026-06-17.

CVE-2018-0799

CVE-2018-0799 is a medium-severity vulnerability in Microsoft Sharepoint Enterprise Server with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Sharepoint Enterprise Server
Published: 2018-01-10
Last modified: 2026-06-17

Description

Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016 allows a cross-site-scripting (XSS) vulnerability due to the way image field values are handled, aka "Microsoft Access Tampering Vulnerability".

Frequently asked questions

What is CVE-2018-0799?: Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016 allows a cross-site-scripting (XSS) vulnerability due to the way image field values are handled, aka "Microsoft Access Tampering Vulnerability".
How severe is CVE-2018-0799?: CVE-2018-0799 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-0799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0799?: CVE-2018-0799 primarily affects Microsoft Sharepoint Enterprise Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0799?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0799 published?: CVE-2018-0799 was published on 2018-01-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*

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