How severe is CVE-2016-4292?

CVE-2016-4292 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4292 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4292?

CVE-2016-4292 affects Hancom Hancom Office 2014. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4292?

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

When was CVE-2016-4292 published?

CVE-2016-4292 was published on 2017-01-06 and last updated on 2026-06-17.

CVE-2016-4292

CVE-2016-4292 is a high-severity vulnerability in Hancom Hancom Office 2014 with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Hancom Hancom Office 2014
Published: 2017-01-06
Last modified: 2026-06-17

Description

When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will use a static size to allocate a heap buffer yet explicitly trust a size from the file when modifying data inside of it. Due to this, an aggressor can corrupt memory outside the bounds of this buffer which can lead to code execution under the context of the application.

Frequently asked questions

What is CVE-2016-4292?: When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will use a static size to allocate a heap buffer yet explicitly trust a size from the file when modifying data inside of it. Due to this, an aggressor can corrupt memory outside the bounds of this buffer which can lead to code execution under the context of the application.
How severe is CVE-2016-4292?: CVE-2016-4292 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4292 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4292?: CVE-2016-4292 affects Hancom Hancom Office 2014. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4292?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4292 published?: CVE-2016-4292 was published on 2017-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hancom:hancom_office_2014:*:*:*:*:*:*:*:*

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CVE-2016-4293 — High (CVSS 7.8): Multiple heap-based buffer overflows in the (1) CBookBase::SetDefTableStyle and (2) CBookBase::SetDefPivotStyle…
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