How severe is CVE-2016-3283?

CVE-2016-3283 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-2016-3283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3283?

CVE-2016-3283 affects Microsoft Word Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3283?

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-2016-3283 published?

CVE-2016-3283 was published on 2016-07-13 and last updated on 2026-06-17.

CVE-2016-3283

CVE-2016-3283 is a high-severity vulnerability in Microsoft Word Viewer with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Word Viewer
Published: 2016-07-13
Last modified: 2026-06-17

Description

Microsoft Word Viewer allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2016-3283?: Microsoft Word Viewer allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."
How severe is CVE-2016-3283?: CVE-2016-3283 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-2016-3283 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3283?: CVE-2016-3283 affects Microsoft Word Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3283?: 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-2016-3283 published?: CVE-2016-3283 was published on 2016-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*

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