CVE-2019-0559

CVE-2019-0559 is a medium-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An information disclosure vulnerability exists when Microsoft Outlook improperly handles certain types of messages, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook.

Frequently asked questions

What is CVE-2019-0559?
An information disclosure vulnerability exists when Microsoft Outlook improperly handles certain types of messages, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook.
How severe is CVE-2019-0559?
CVE-2019-0559 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-0559 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0559?
CVE-2019-0559 primarily affects Microsoft Office. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0559?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0559 published?
CVE-2019-0559 was published on 2019-01-08 and last updated on 2026-06-17.

References

Affected products (6)

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