AEGLIX vulnerability intelligence

CVE-2026-50522

CRITICAL · CVSS 9.8 · Analyzed

Published: 2026-07-14 · Updated: 2026-07-23 · Source: NVD

Vulnerability overview

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product: Microsoft · SharePoint
Added to catalog: 2026-07-22
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA remediation due date: 2026-07-25

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
Before (exclusive): 16.0.19725.20434
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.