CVE-2018-1026
CVE-2018-1026 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 41% places it in the 99th 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: 41% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Office
- Published:
- Last modified:
Description
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Office. This CVE ID is unique from CVE-2018-1030.
Frequently asked questions
- What is CVE-2018-1026?
- A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Office. This CVE ID is unique from CVE-2018-1030.
- How severe is CVE-2018-1026?
- CVE-2018-1026 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-2018-1026 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-1026?
- CVE-2018-1026 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-1026?
- 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-2018-1026 published?
- CVE-2018-1026 was published on 2018-04-12 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/103613
- http://www.securitytracker.com/id/1040654
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1026
Affected products (3)
- 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:*:*:*
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