AIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunter
Published Mar 24, 2026
8.6
HIGHCVSS 4.0
EPSS 0.26%
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.
Affected products
-
- Version 5.99.4900 #StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Aida64 | AIDA64 Business | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Mar 24, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.26% (0.00257) | 15.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.26% (0.00257) | 16.78th | v5 (v2026.06.15) |
| Mar 24, 2026 | 0.01% (0.00013) | 2.25th | v4 (v2025.03.14) |
References (4)
- https://www.aida64.com product
- https://www.aida64.com/downloads product
- https://www.exploit-db.com/exploits/46639 exploitThird Party AdvisoryVDB Entry
- https://www.vulncheck.com/advisories/aida64-business-seh-buffer-overflow-via-egghunter third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.aida64.com | product | |
| https://www.aida64.com/downloads | product | |
| https://www.exploit-db.com/exploits/46639 | exploitThird Party AdvisoryVDB Entry | |
| https://www.vulncheck.com/advisories/aida64-business-seh-buffer-overflow-via-egghunter | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.