CVE-2019-25631

AIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunter

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.

Affected

Aida64 · AIDA64 Business

CVSS v4.0 VULNCHECK

8.6 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULNCHECK

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.26% chance of exploitation in the next 30 days, 16th percentile

Published

2026-03-24

Updated

2026-07-15

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/46639

Security advisories

• https://www.vulncheck.com/advisories/aida64-business-seh-buffer-overflow-via-egghunter
• https://www.aida64.com
• https://www.aida64.com/downloads

References

• CVE Record
• NVD entry