How severe is CVE-2012-4886?

CVE-2012-4886 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-4886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4886?

CVE-2012-4886 affects Kingsoft Office 2012. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4886?

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-2012-4886 published?

CVE-2012-4886 was published on 2014-03-24 and last updated on 2026-06-16.

CVE-2012-4886

CVE-2012-4886 is a critical-severity vulnerability in Kingsoft Office 2012 with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Kingsoft Office 2012
Published: 2014-03-24
Last modified: 2026-06-16

Description

Stack-based buffer overflow in wpsio.dll in Kingsoft WPS Office 2012 possibly 8.1.0.3238 allows remote attackers to execute arbitrary code via a long BSTR string.

Frequently asked questions

What is CVE-2012-4886?: Stack-based buffer overflow in wpsio.dll in Kingsoft WPS Office 2012 possibly 8.1.0.3238 allows remote attackers to execute arbitrary code via a long BSTR string.
How severe is CVE-2012-4886?: CVE-2012-4886 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-4886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4886?: CVE-2012-4886 affects Kingsoft Office 2012. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4886?: 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-2012-4886 published?: CVE-2012-4886 was published on 2014-03-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:kingsoft:office_2012:8.1.0.3238:*:*:*:*:*:*:*

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