Code injection in Microsoft Word
Priority MEDIUM 56CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
A remote code execution vulnerability exists when the Office graphics component improperly handles specially crafted embedded fonts, aka "Microsoft Office Graphics Remote Code Execution Vulnerability." This affects Word, Microsoft Office, Microsoft SharePoint, Excel, Microsoft SharePoint Server.
Why it matters now
EPSS 0.18919 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Word | Automation Services on Microsoft SharePoint Server 2010 Service Pack 2; Automation Services on Microsoft SharePoint Server 2013 Service Pack 1 | — | No fix listed | CNA |
| Microsoft | Microsoft Office | 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 RT Service Pack 1; 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2016 (32-bit edition); 2016 (64-bit edition); Web Apps 2010 Service Pack 2; Web Apps Server 2013 Service Pack 1 | — | No fix listed | CNA |
| Microsoft | Microsoft SharePoint | Enterprise Server 2016 | — | No fix listed | CNA |
| Microsoft | Excel | Services on Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | — | No fix listed | CNA |
| Microsoft | Microsoft SharePoint Server | 2013 Service Pack 1 | — | No fix listed | CNA |
- Word VendorMicrosoft Affected Automation Services on Microsoft SharePoint Server 2010 Service Pack 2; Automation Services on Microsoft SharePoint Server 2013 Service Pack 1 Fixed in — No fix listed CNA
- Microsoft Office VendorMicrosoft Affected 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 RT Service Pack 1; 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2016 (32-bit edition); 2016 (64-bit edition); Web Apps 2010 Service Pack 2; Web Apps Server 2013 Service Pack 1 Fixed in — No fix listed CNA
- Microsoft SharePoint VendorMicrosoft Affected Enterprise Server 2016 Fixed in — No fix listed CNA
- Excel VendorMicrosoft Affected Services on Microsoft SharePoint Enterprise Server 2013 Service Pack 1 Fixed in — No fix listed CNA
- Microsoft SharePoint Server VendorMicrosoft Affected 2013 Service Pack 1 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:excel_services:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2013_rt:sp1:*:*:*:*:*:* | 2013_rt sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_2010:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:* | 2010 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word_automation_services:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:excel_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2013_rt:sp1:*:*:*:*:*:* Versions 2013_rt sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_2010:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word_automation_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1028
- 2026-10-03 Alias added: GHSA-87hq-2c3x-p62g
More Microsoft Excel Services vulnerabilities
- TI-2019-01045 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.1HIGH 8.8
- TI-2021-01431 Microsoft Excel Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2019-01149 Information disclosure in Microsoft Excel CVSS 3.1MEDIUM 5.5
Sources
- CVE-2018-1028 · CVE Program
- CVE-2018-1028 · NVD
- FIRST EPSS
- GHSA-87hq-2c3x-p62g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences