CWE-416 Use After Free in GNU gawk (CVE-2026-40467)
CVE-2026-40467 is a use-after-free vulnerability affecting gawk version 3.0. The vulnerability is categorized under CWE-416, indicating improper memory management that could lead to use of freed memory. No CVSS score or detailed impact information is provided. No patch or remediation details are currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in gawk version 3.0, as identified by Microsoft Security Response Center under CVE-2026-40467. Use-after-free vulnerabilities occur when a program continues to use memory after it has been freed, potentially leading to undefined behavior or security issues. The advisory does not provide further technical details, impact specifics, or mitigation instructions.
Potential Impact
The impact is not explicitly detailed in the available information. Use-after-free vulnerabilities can potentially lead to memory corruption, crashes, or arbitrary code execution, but no confirmed exploitation or impact severity is provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
CWE-416 Use After Free in GNU gawk (CVE-2026-40467)
Description
CVE-2026-40467 is a use-after-free vulnerability affecting gawk version 3.0. The vulnerability is categorized under CWE-416, indicating improper memory management that could lead to use of freed memory. No CVSS score or detailed impact information is provided. No patch or remediation details are currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v4.0
Score 5.1medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in gawk version 3.0, as identified by Microsoft Security Response Center under CVE-2026-40467. Use-after-free vulnerabilities occur when a program continues to use memory after it has been freed, potentially leading to undefined behavior or security issues. The advisory does not provide further technical details, impact specifics, or mitigation instructions.
Potential Impact
The impact is not explicitly detailed in the available information. Use-after-free vulnerabilities can potentially lead to memory corruption, crashes, or arbitrary code execution, but no confirmed exploitation or impact severity is provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-40467
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a55ff7f68715ace432f3df4
Added to database: 07/14/2026, 09:21:03 UTC
Last enriched: 07/14/2026, 09:40:32 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 32
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