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Microsoft CVE-2026-39836

| EUVD-2026-28427 HIGH
NULL Pointer Dereference (CWE-476)
2026-05-07 Go GHSA-8g2r-hhvj-mv99
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
CVSS changed
May 08, 2026 - 22:22 NVD
7.5 (HIGH)
Patch available
May 07, 2026 - 21:02 EUVD
CVE Published
May 07, 2026 - 19:41 nvd
HIGH 7.5
CVE Published
May 07, 2026 - 19:41 nvd
UNKNOWN (no severity yet)

DescriptionNVD

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

Analysis

The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

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Vendor StatusVendor

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CVE-2026-39836 vulnerability details – vuln.today

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