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CVE-2026-50696

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

No known exploitation. EPSS puts it in the 67th percentile. Fixed versions are out.

CVSS 3.17.5HighEPSS percentile67th1.2% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products9 fixed builds listed below

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 1809Affected: ≥ 10.0.17763.0, < 10.0.17763.9020Upgrade to: 10.0.17763.9020Affected: ≥ 10.0.19044.0, < 10.0.19044.7548Upgrade to: 10.0.19044.7548Affected: ≥ 10.0.19045.0, < 10.0.19045.7548Upgrade to: 10.0.19045.7548Stated by: CVE record
  • Microsoft Windows 11 version 23H2Affected: ≥ 10.0.22631.0, < 10.0.22631.7376Upgrade to: 10.0.22631.7376Affected: ≥ 10.0.26100.0, < 10.0.26100.8875Upgrade to: 10.0.26100.8875Affected: ≥ 10.0.26200.0, < 10.0.26200.8875Upgrade to: 10.0.26200.8875Affected: ≥ 10.0.28000.0, < 10.0.28000.2525Upgrade to: 10.0.28000.2525Stated by: CVE record
  • Microsoft Windows Server 2019Affected: ≥ 10.0.17763.0, < 10.0.17763.9020Upgrade to: 10.0.17763.9020Stated by: CVE record
  • Microsoft Windows Server 2022Affected: ≥ 10.0.20348.0, < 10.0.20348.5386Upgrade to: 10.0.20348.5386Stated by: CVE record
  • Microsoft Windows Server 2025Affected: ≥ 10.0.26100.0, < 10.0.26100.33158Upgrade to: 10.0.26100.33158Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service 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.

EPSS67th
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

1.2% chance of exploitation activity in the next 30 days, which ranks it in the 67th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

10 events over 65 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. OpenVAS check addedpatch available, record updated
  3. Publishedweakness classified, att&ck mapped, record updated, record updated

Affected products

And 17 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Scored 7.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • 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

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Windows 10 Version 1809, not every advisory.