CVE-2019-1264

CVE-2019-1264 is a high-severity vulnerability in Microsoft Office 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-20.

Key facts

Description

A security feature bypass vulnerability exists when Microsoft Office improperly handles input, aka 'Microsoft Office Security Feature Bypass Vulnerability'.

Frequently asked questions

What is CVE-2019-1264?
A security feature bypass vulnerability exists when Microsoft Office improperly handles input, aka 'Microsoft Office Security Feature Bypass Vulnerability'.
How severe is CVE-2019-1264?
CVE-2019-1264 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-2019-1264 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1264?
CVE-2019-1264 primarily affects Microsoft Office. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1264?
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-2019-1264 published?
CVE-2019-1264 was published on 2019-09-11 and last updated on 2026-06-17.

References

Affected products (9)

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