Overview
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.
https://nvd.nist.gov/vuln/detail/CVE-2017-11826
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2017-11826 |
| Vendor / Product | Microsoft — Office |
| NVD Published | 2017-10-13 |
| NVD Last Modified | 2025-10-22 |
| CVSS 3.1 Score | 7.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CWE | CWE-119 |
| CISA KEV Added | 2022-03-03 |
| CISA KEV Deadline | 2022-03-24 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2022-03-24.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-03-03 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-03-24 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2017-11826 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |