CVE-2026-39824— Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| golang.org/x/sys | golang.org/x/sys/windows | < 0.44.0 | affected |
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I. Basic Information for CVE-2026-39824
Vulnerability Information
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Vulnerability Title
Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows
Source: NVD (National Vulnerability Database)
Vulnerability Description
NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| golang.org/x/sys | golang.org/x/sys/windows | 0 ~ 0.44.0 | - |
II. Public POCs for CVE-2026-39824
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Patches & Fixes for CVE-2026-39824 (1)
Vendor Advisories for CVE-2026-39824 (3)
V. Comments for CVE-2026-39824
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