CVE-2017-11774

Microsoft Office — Microsoft Office Outlook Security Feature Bypass Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Microsoft Office Outlook contains a security feature bypass vulnerability due to improperly handling objects in memory. Successful exploitation allows an attacker to execute commands.

https://nvd.nist.gov/vuln/detail/CVE-2017-11774

Key Details

PropertyValue
CVE ID CVE-2017-11774
Vendor / Product Microsoft — Office
NVD Published2017-10-13
NVD Last Modified2025-10-22
CVSS 3.1 Score7.8
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-119
CISA KEV Added2021-11-03
CISA KEV Deadline2022-05-03
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: 2022-05-03. Apply updates per vendor instructions.

Timeline

DateEvent
2021-11-03Added to CISA Known Exploited Vulnerabilities catalog
2022-05-03CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2017-11774 Vulnerability Database
CISA KEV Catalog Entry US Government