How severe is CVE-2019-25631?

CVE-2019-25631 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-25631 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25631?

CVE-2019-25631 affects Aida64. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25631?

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.

Does CVE-2019-25631 have an EU (EUVD) identifier?

Yes. CVE-2019-25631 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20002.

When was CVE-2019-25631 published?

CVE-2019-25631 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2019-25631

CVE-2019-25631 is a high-severity vulnerability in Aida64 with a CVSS 3.x base score of 8.4. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.6
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-20002
Weakness: CWE-787
Affected product: Aida64
Published: 2026-03-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-25631?: CVE-2019-25631 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-25631 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25631?: CVE-2019-25631 affects Aida64. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25631?: 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.
Does CVE-2019-25631 have an EU (EUVD) identifier?: Yes. CVE-2019-25631 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20002.
When was CVE-2019-25631 published?: CVE-2019-25631 was published on 2026-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aida64:aida64:5.99.4900:*:*:*:business:*:*:*

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