Integer overflow in ESTsoft Alyac
Priority HIGH 69CWE-680Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An integer overflow vulnerability exists in the way ESTsoft Alyac 2.5.8.544 parses OLE files. A specially-crafted OLE file can lead to a heap buffer overflow, which can result in arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00465 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29886
- 2026-10-03 Alias added: GHSA-6r2p-g46p-77hr
References
More ESTsoft Alyac vulnerabilities
- TI-2022-14174 Integer overflow in ESTsoft Alyac CVSS 3.1HIGH 7.8
- TI-2022-21429 A denial of service vulnerability exists in the malware scan functionality of ESTsoft… CVSS 3.1MEDIUM 5.5
- TI-2022-05550 Out-of-bounds read in ESTsoft Alyac CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-29886 · CVE Program
- CVE-2022-29886 · NVD
- FIRST EPSS
- GHSA-6r2p-g46p-77hr · GitHub Advisory Database · CC BY 4.0
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