CVE-2026-50696

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability

HIGH

7.5

CVSS Score

Published: July 14, 2026 at 05:04 PM UTC

Updated: October 28, 2026 at 08:01 PM UTC

10 products affected across 1 vendorWindows Server 2019Windows 10 1809Windows Server 2022

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1809 · Microsoft

95%

v < 10.0.17763.902010.0.17763.0

Affected range stops below 10.0.17763.9020, so it looks safe — our inference, not a vendor statement

Windows 10 21H2 · Microsoft

95%

v < 10.0.19044.754810.0.19044.0

Affected range stops below 10.0.19044.7548, so it looks safe — our inference, not a vendor statement

Windows 10 22H2 · Microsoft

95%

v < 10.0.19045.754810.0.19045.0

Affected range stops below 10.0.19045.7548, so it looks safe — our inference, not a vendor statement

Windows 11 24H2 · Microsoft

95%

v < 10.0.26100.887510.0.26100.0

Affected range stops below 10.0.26100.8875, so it looks safe — our inference, not a vendor statement

Windows 11 25H2 · Microsoft

95%

v < 10.0.26200.887510.0.26200.0

Affected range stops below 10.0.26200.8875, so it looks safe — our inference, not a vendor statement

Windows 11 26H1 · Microsoft

95%

v < 10.0.28000.252510.0.28000.0

Affected range stops below 10.0.28000.2525, so it looks safe — our inference, not a vendor statement

Windows Server 2019 · Microsoft

95%

v < 10.0.17763.902010.0.17763.0

Affected range stops below 10.0.17763.9020, so it looks safe — our inference, not a vendor statement

Windows Server 2022 · Microsoft

95%

v < 10.0.20348.538610.0.20348.0

Affected range stops below 10.0.20348.5386, so it looks safe — our inference, not a vendor statement

Windows Server 2025 · Microsoft

95%

v < 10.0.26100.3315810.0.26100.0

Affected range stops below 10.0.26100.33158, so it looks safe — our inference, not a vendor statement

Windows 11 23H2 · Microsoft

90%

10.0.22631.0

Affected range stops below 10.0.22631.7376, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50696

References (1)

Vendor AdvisoryPatch

Source: cverecord

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50696

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-122

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