CWE-121 Stack-based Buffer Overflow in GNU gawk (CVE-2026-40553)
CVE-2026-40553 is a stack-based buffer overflow vulnerability affecting version 3.0 of gawk. The vulnerability is categorized under CWE-121. There is no CVSS score available, and no known exploits in the wild have been reported. No patch or remediation information is provided in the available data.
AI Analysis
Technical Summary
This vulnerability is a stack-based buffer overflow in gawk version 3.0, as identified by CVE-2026-40553 and categorized under CWE-121. The advisory is published by the Microsoft Security Response Center. No further technical details or exploitation methods are provided. No patch or fix information is currently available.
Potential Impact
A stack-based buffer overflow can potentially allow an attacker to overwrite memory on the stack, which may lead to arbitrary code execution or denial of service. However, no known exploits in the wild have been reported for this vulnerability. The actual impact depends on exploitation conditions and is not detailed in the available information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, monitoring the Microsoft Security Response Center for updates is recommended.
CWE-121 Stack-based Buffer Overflow in GNU gawk (CVE-2026-40553)
Description
CVE-2026-40553 is a stack-based buffer overflow vulnerability affecting version 3.0 of gawk. The vulnerability is categorized under CWE-121. There is no CVSS score available, and no known exploits in the wild have been reported. No patch or remediation information is provided in the available data.
CVSS v4.0
Score 5.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a stack-based buffer overflow in gawk version 3.0, as identified by CVE-2026-40553 and categorized under CWE-121. The advisory is published by the Microsoft Security Response Center. No further technical details or exploitation methods are provided. No patch or fix information is currently available.
Potential Impact
A stack-based buffer overflow can potentially allow an attacker to overwrite memory on the stack, which may lead to arbitrary code execution or denial of service. However, no known exploits in the wild have been reported for this vulnerability. The actual impact depends on exploitation conditions and is not detailed in the available information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, monitoring the Microsoft Security Response Center for updates is recommended.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-40553
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a55ff7f68715ace432f3e03
Added to database: 07/14/2026, 09:21:03 UTC
Last enriched: 07/14/2026, 09:40:53 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 31
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