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SharePoint Deserialization of Untrusted Data Vulnerability (CVE-2026-21511) - Vulnerability Database

SharePoint Deserialization of Untrusted Data Vulnerability (CVE-2026-21511)

Description

Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

References

CVE-2026-21511

Related Vulnerabilities

WebLogic CVE-2022-21258 Vulnerability (CVE-2022-21258) Medium
Common tags: Missing Update Known Vulnerabilities
SharePoint Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-1101) Medium
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Piwigo Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2020-19215) High
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Piwigo Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2020-19216) High
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Piwigo Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2020-19217) High
Common tags: Missing Update Known Vulnerabilities

Severity

High

Classification

CVE-2026-21511
CWE-502
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Missing Update
Known Vulnerabilities