Elevation of Privilege Vulnerability in Windows iSCSI by Microsoft
CVE-2026-122177

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1607
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Vendor
CVE Published:
10 November 2026

What is CVE-2026-122177?

An elevation of privilege vulnerability in Windows iSCSI arises from improper link resolution before file access, commonly referred to as 'link following.' This flaw could be exploited by an unauthorized attacker to gain elevated privileges over a network. When successfully exploited, attackers might be able to execute malicious commands or access sensitive data, jeopardizing the system's integrity and security. It is essential for users of affected products to apply the recommended security updates to mitigate these risks.

Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9688

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9487

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7846

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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