Buffer overflow in Aida64
CVE-2019-25631
AIDA64 Business 5.99.4900 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting SEH pointers with malicious shellcode. Attackers can inject egg hunter shellcode through the SMTP display name field in preferences or report wizard functionality to trigger the overflow and execute code with application privileges.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (15.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Aida64 — versions 5.99.4900
- Aida64 Business — versions 5.99.4900 #
Weakness classification (CWE)
References
- ExploitDB-46639 (Exploit, exploit, Third Party Advisory, VDB Entry)
- Official Product Homepage (Product, product)
- Product Reference (Product, product)
- VulnCheck Advisory: AIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunter (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25631?
- CVE-2019-25631 is a high-severity vulnerability in Aida64, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-24.
- How severe is CVE-2019-25631?
- High severity. CVSS v3 base score is 8.4 out of 10.