CVE-2018-0793
CVE-2018-0793 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 21% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Office
- Published:
- Last modified:
Description
Microsoft Outlook 2007, Microsoft Outlook 2010 and Microsoft Outlook 2013 allow a remote code execution vulnerability due to the way email messages are parsed, aka "Microsoft Outlook Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0791.
Frequently asked questions
- What is CVE-2018-0793?
- Microsoft Outlook 2007, Microsoft Outlook 2010 and Microsoft Outlook 2013 allow a remote code execution vulnerability due to the way email messages are parsed, aka "Microsoft Outlook Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0791.
- How severe is CVE-2018-0793?
- CVE-2018-0793 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-2018-0793 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0793?
- CVE-2018-0793 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-2018-0793?
- 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-2018-0793 published?
- CVE-2018-0793 was published on 2018-01-10 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/102375
- http://www.securitytracker.com/id/1040154
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0793
Affected products (9)
- cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os_x:*:*
- cpe:2.3:a:microsoft:office:2016:c2r:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:word:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*
- cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:*
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