CVE-2018-0807
CVE-2018-0807 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 24% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Office
- Published:
- Last modified:
Description
Equation Editor in Microsoft Office 2003, Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Word Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0804, CVE-2018-0805, and CVE-2018-0806.
Frequently asked questions
- What is CVE-2018-0807?
- Equation Editor in Microsoft Office 2003, Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Word Remote Code Execution Vulnerability". This CVE is unique from CVE-2018-0804, CVE-2018-0805, and CVE-2018-0806.
- How severe is CVE-2018-0807?
- CVE-2018-0807 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-0807 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0807?
- CVE-2018-0807 primarily affects Microsoft Office. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-0807?
- 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-2018-0807 published?
- CVE-2018-0807 was published on 2018-01-10 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/102461
- http://www.securitytracker.com/id/1040153
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0807
Affected products (11)
- cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2016:*:*:*:click-to-run:*:*:*
- 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:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Office
- CVE-2007-0065 — Critical (CVSS 10.0): Heap-based buffer overflow in Object Linking and Embedding (OLE) Automation in Microsoft Windows 2000 SP4, XP SP2,…
- CVE-2003-0347 — Critical (CVSS 10.0): Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3…
- CVE-2000-0854 — Critical (CVSS 10.0): When a Microsoft Office 2000 document is launched, the directory of that document is first used to locate DLL's such as…
- CVE-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
- CVE-2023-23397 — Critical (CVSS 9.8): Microsoft Outlook Elevation of Privilege Vulnerability
- CVE-2023-21716 — Critical (CVSS 9.8): Microsoft Word Remote Code Execution Vulnerability