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CVE-2019-25633· NVD / CVE Program· CNA VulnCheck

AIDA64 Extreme 5.99.4900 SEH Buffer Overflow via EggHunter

AIDA64 Extreme 5.99.4900 contains a structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input through the email preferences and report wizard interfaces. Attackers can inject crafted payloads into the Display name field and Load from file parameter to trigger the overflow and execute shellcode with application privileges.

HighCVSS 8.6 · v4.0—No exploit No fix recorded
Published
Mar 24, 2026
Updated
Oct 1, 2026
EPSS
0.3% · 16th percentile
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Report tools

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Action score

34

Monitor

Low priority for now.

CVSS
34 / 40 · 8.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulnCheck
8.6
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
aida64aida64

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • aida64 aida645.99.4900

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

  • Aida64 AIDA64 Extreme

    • 5.99.4900 #affected

Same product

aida64: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-25631AIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunter
    34Monitor
  • CVE-2019-25629AIDA64 Extreme 5.99.4900 SEH Buffer Overflow via Logging
    34Monitor
  • CVE-2019-25360Aida64 6.10.5200 - Buffer Overflow
    33Monitor
  • CVE-2020-19513Buffer overflow in FinalWire Ltd AIDA64 Engineer 6.00.5100 allows attackers to execute arbitrary code by creating a crafted input that will
    31Monitor
  • CVE-2019-7244An issue was discovered in kerneld.sys in AIDA64 before 5.99.
    29Monitor
  • CVE-2020-37140Everest 5.50.2100 - 'Open File' Denial of Service
    18Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2019-256290 days apartAIDA64 Extreme 5.99.4900 SEH Buffer Overflow via Logging
    34Monitor
  • CVE-2019-256310 days apartAIDA64 Business 5.99.4900 SEH Buffer Overflow via EggHunter
    34Monitor
  • CVE-2020-3714047 days apartEverest 5.50.2100 - 'Open File' Denial of Service
    18Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
X

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records