CVE-2022-32543
CVE-2022-32543 is a high-severity vulnerability in Estsoft Alyac with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Estsoft Alyac
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2022-32543?
- 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.
- How severe is CVE-2022-32543?
- CVE-2022-32543 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-32543 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-32543?
- CVE-2022-32543 affects Estsoft Alyac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-32543?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-32543 published?
- CVE-2022-32543 was published on 2022-08-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:estsoft:alyac:2.5.8.544:*:*:*:*:*:*:*
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