CVE-2018-0850
CVE-2018-0850 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
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Office
- Published:
- Last modified:
Description
Microsoft Outlook 2007, Microsoft Outlook 2010, Microsoft Outlook 2013, Microsoft Outlook 2016, and Microsoft Office 2016 Click-to-Run allow an elevation of privilege vulnerability due to how the format of incoming message is validated, aka "Microsoft Outlook Elevation of Privilege Vulnerability".
Frequently asked questions
- What is CVE-2018-0850?
- Microsoft Outlook 2007, Microsoft Outlook 2010, Microsoft Outlook 2013, Microsoft Outlook 2016, and Microsoft Office 2016 Click-to-Run allow an elevation of privilege vulnerability due to how the format of incoming message is validated, aka "Microsoft Outlook Elevation of Privilege Vulnerability".
- How severe is CVE-2018-0850?
- CVE-2018-0850 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 none, integrity high, and availability none.
- Is CVE-2018-0850 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0850?
- CVE-2018-0850 primarily affects Microsoft Office. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-0850?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-0850 published?
- CVE-2018-0850 was published on 2018-02-15 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/102866
- http://www.securitytracker.com/id/1040382
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0850
Affected products (5)
- cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:*
- cpe:2.3:a:microsoft:outlook:2007:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:outlook:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:*:*:*
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