Which versions of Aida64 Business are affected by CVE-2019-25631?

Organizations using AIDA64 Business 5.99.4900 face significant risk from CVE-2019-25631, a out-of-bounds write vulnerability rated CVSS 8.6.

Is there a public PoC exploit available for CVE-2019-25631?

Yes, a public proof-of-concept exploit is available for CVE-2019-25631. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2019-25631?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Aida64 Business CVE-2019-25631

Q: What is the CVSS score of CVE-2019-25631?

CVE-2019-25631 has a CVSS 4.0 base score of 8.6 (High). CVSS vector: CVSS: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. EPSS exploitation probability: 0.0%.

EUVD-2019-20002 HIGH

Out-of-bounds Write (CWE-787)

2026-03-24 VulnCheck

GHSA-j8pg-mgqw-f774

Buffer Overflow Memory Corruption RCE Aida64 Business

8.6

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

CVSS: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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS: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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Mar 27, 2026 - 16:59 vuln.today

Public exploit code

EUVD ID Assigned

Mar 24, 2026 - 11:45 euvd

EUVD-2019-20002

Analysis Generated

Mar 24, 2026 - 11:45 vuln.today

CVE Published

Mar 24, 2026 - 11:27 nvd

HIGH 8.6

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 8.6), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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 products include: Aida64 Aida64 Business.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).