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CVE-2026-122177

Windows iSCSI Elevation of Privilege Vulnerability

No known exploitation. No EPSS score yet. Fixed versions are out.

CVSS 3.17.5HighEPSS percentile—No score yetCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products9 fixed builds listed below
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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft Windows 10 Version 1607Affected: ≥ 10.0.14393.0, < 10.0.14393.9688Upgrade to: 10.0.14393.9688Affected: ≥ 10.0.17763.0, < 10.0.17763.9487Upgrade to: 10.0.17763.9487Affected: ≥ 10.0.19044.0, < 10.0.19044.7846Upgrade to: 10.0.19044.7846Affected: ≥ 10.0.19045.0, < 10.0.19045.7846Upgrade to: 10.0.19045.7846Stated by: CVE record
  • Microsoft Windows 11 version 23H2Affected: ≥ 10.0.22631.0, < 10.0.22631.7711Upgrade to: 10.0.22631.7711Affected: ≥ 10.0.26100.0, < 10.0.26100.9974Upgrade to: 10.0.26100.9974Affected: ≥ 10.0.26200.0, < 10.0.26200.9974Upgrade to: 10.0.26200.9974Affected: ≥ 10.0.28000.0, < 10.0.28000.3501Upgrade to: 10.0.28000.3501Stated by: CVE record
  • Microsoft Windows 11 Version 26H2Affected: ≥ 10.0.26300.0, < 10.0.26300.9974Upgrade to: 10.0.26300.9974Stated by: CVE record
  • Microsoft Windows Server 2016Affected: ≥ 10.0.14393.0, < 10.0.14393.9688Upgrade to: 10.0.14393.9688Stated by: CVE record
  • Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.9487Upgrade to: 10.0.17763.9487Stated by: CVE record

Versions as the sources state them. 2 more products have version data. Full version matrix after sign-in

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What it is

From the CVE record

Improper link resolution before file access ('link following') in Windows iSCSI allows an unauthorized attacker to elevate privileges over a network.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

No EPSS score yet. New CVEs are usually scored within a few days.

Lifecycle

4 events over 0 days, from the signal feeds we watch.

  1. Publishedweakness classified, att&ck mapped, record updated

Affected products

And 10 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

In the news

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We'll flag the next CVE, public exploit or patch for Windows 10 Version 1607, not every advisory.