How severe is CVE-2012-2550?

CVE-2012-2550 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-2550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2550?

CVE-2012-2550 affects Microsoft Works. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-2550?

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-2012-2550 published?

CVE-2012-2550 was published on 2012-10-09 and last updated on 2026-06-16.

CVE-2012-2550

CVE-2012-2550 is a critical-severity vulnerability in Microsoft Works with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Works
Published: 2012-10-09
Last modified: 2026-06-16

Description

Microsoft Works 9 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted Word .doc file, aka "Works Heap Vulnerability."

Frequently asked questions

What is CVE-2012-2550?: Microsoft Works 9 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted Word .doc file, aka "Works Heap Vulnerability."
How severe is CVE-2012-2550?: CVE-2012-2550 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-2550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2550?: CVE-2012-2550 affects Microsoft Works. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-2550?: 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-2012-2550 published?: CVE-2012-2550 was published on 2012-10-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:works:9.0:*:*:*:*:*:*:*

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