CVE-2026-45467: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Microsoft SharePoint Enterprise Server 2016
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) allows an authorized user to inject malicious scripts due to improper input neutralization during web page generation. The flaw could enable spoofing attacks, potentially leading to limited confidentiality and integrity impacts. The vulnerability has a CVSS 3.1 base score of 4.6, indicating medium severity. Microsoft has released an official fix for this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to perform cross-site scripting attacks, which may allow spoofing and limited compromise of confidentiality and integrity. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467 to remediate this vulnerability.
CVE-2026-45467: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVSS v3.1
Score 4.6medium
Affected software
Microsoft
Microsoft SharePoint Enterprise Server 2016
Microsoft
Microsoft SharePoint Server 2019
Microsoft
Microsoft SharePoint Server Subscription Edition
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-79) in Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) allows an authorized user to inject malicious scripts due to improper input neutralization during web page generation. The flaw could enable spoofing attacks, potentially leading to limited confidentiality and integrity impacts. The vulnerability has a CVSS 3.1 base score of 4.6, indicating medium severity. Microsoft has released an official fix for this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to perform cross-site scripting attacks, which may allow spoofing and limited compromise of confidentiality and integrity. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:06:43.098Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467","vendor":"Microsoft"}]
Threat ID: 6a284cd98dd33fbd85664c6c
Added to database: 06/09/2026, 17:26:49 UTC
Last enriched: 08/14/2026, 13:35:06 UTC
Last updated: 09/12/2026, 10:01:31 UTC
Views: 90
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