How severe is CVE-2009-1040?

CVE-2009-1040 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-1040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1040?

CVE-2009-1040 affects Winasm Winasm Studio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1040?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-1040 published?

CVE-2009-1040 was published on 2009-03-20 and last updated on 2026-06-16.

CVE-2009-1040

CVE-2009-1040 is a critical-severity vulnerability in Winasm Winasm Studio with a CVSS 2.0 base score of 9.3. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Winasm Winasm Studio
Published: 2009-03-20
Last modified: 2026-06-16

Description

Buffer overflow in WinAsm Studio 5.1.5.0 allows user-assisted remote attackers to execute arbitrary code via a crafted project (.wap) file.

Frequently asked questions

What is CVE-2009-1040?: Buffer overflow in WinAsm Studio 5.1.5.0 allows user-assisted remote attackers to execute arbitrary code via a crafted project (.wap) file.
How severe is CVE-2009-1040?: CVE-2009-1040 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1040?: CVE-2009-1040 affects Winasm Winasm Studio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1040 published?: CVE-2009-1040 was published on 2009-03-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:winasm:winasm_studio:5.1.5.0:*:*:*:*:*:*:*

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