CVE-2026-45483: 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 Project Server allows an authorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Microsoft SharePoint Enterprise Server 2016 arises from improper neutralization of input during web page generation, enabling an authorized attacker to conduct spoofing attacks. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with limited confidentiality and integrity impact and no availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks over a network, potentially misleading users or systems by injecting malicious scripts. The impact is limited to confidentiality and integrity with no availability impact, reflecting a medium severity level.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45483 to remediate this vulnerability.
CVE-2026-45483: 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 Project Server 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 arises from improper neutralization of input during web page generation, enabling an authorized attacker to conduct spoofing attacks. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with limited confidentiality and integrity impact and no availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized attacker can exploit this vulnerability to perform spoofing attacks over a network, potentially misleading users or systems by injecting malicious scripts. The impact is limited to confidentiality and integrity with no availability impact, reflecting a medium severity level.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45483 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:07:22.617Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45483","vendor":"Microsoft"}]
Threat ID: 6a284cdc8dd33fbd85664d4e
Added to database: 06/09/2026, 17:26:52 UTC
Last enriched: 08/14/2026, 13:36:32 UTC
Last updated: 09/13/2026, 10:01:31 UTC
Views: 74
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