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CVE-2026-97038VulnerabilityPublished

Microsoft · Arbitrary code execution via crafted .syso files and cgo linker input files in cmd/go

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97038· High

Not known to be exploited : upgrade to 1.27.4 or 1.26.11 soon.

Data as of 13 Nov 2026, 10:32 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 1.27.4, 1.26.11

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade cmd/go to 1.27.4 or 1.26.11.

Affected software

ProductAffectedFixed in
Go toolchaincmd/goAffected
  • >=1.27.0-0 <1.27.4
Fixed in
  • 1.27.4
Go toolchaincmd/goAffected
  • <1.26.11
Fixed in
  • 1.26.11
Gocmd/gopkg:golang/cmd/goOther threatsAffected
  • <1.26.11
  • >=1.27.0-0 <1.27.4
Fixed in
  • 1.26.11
  • 1.27.4

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2026-97038 is a vulnerability in the cmd/go tool of Microsoft software version 3.0 that allows arbitrary code execution via crafted .syso files and cgo linker input files. This flaw could enable an attacker to execute code during the build process by supplying malicious input files. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or available patches at this time.

References

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