CVE-2026-76149: Integer overflow or wraparound in SASAKI Nobuyuki CorvusSKK
Description
CorvusSKK, a product by SASAKI Nobuyuki, contains an integer overflow vulnerability that may allow malicious data to be written to a dictionary file. This vulnerability has a medium severity rating with a CVSS score of 4.4. No specific affected versions or patches have been identified yet.
CVSS v3.0
Score 4.4medium
Affected software
SASAKI Nobuyuki
CorvusSKK
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76149 describes an integer overflow or wraparound vulnerability in CorvusSKK. This flaw could enable an attacker to cause malicious data to be written to a dictionary file, potentially impacting the integrity and availability of that data. The vulnerability requires local access with low complexity and user interaction, and it does not affect confidentiality. No known exploits or patches are currently documented.
Potential Impact
The vulnerability may lead to integrity and availability impacts on the dictionary file used by CorvusSKK. There is no impact on confidentiality. Exploitation requires local access and user interaction, limiting the attack surface. No active exploitation in the wild is known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-08-19T05:08:38.977Z
- Cvss Version
- 3.0
- State
- PUBLISHED
Threat ID: 6a8e7832acd9273b496df0a3
Added to database: 08/26/2026, 05:22:58 UTC
Last enriched: 09/10/2026, 12:09:32 UTC
Last updated: 10/09/2026, 06:48:19 UTC
Views: 62
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