CVE-2017-0261

Microsoft Office — Microsoft Office Use-After-Free Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Microsoft Office contains a use-after-free vulnerability which can allow for remote code execution.

https://nvd.nist.gov/vuln/detail/CVE-2017-0261

Key Details

PropertyValue
CVE ID CVE-2017-0261
Vendor / Product Microsoft — Office
NVD Published2017-05-12
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-416
CISA KEV Added2022-03-03
CISA KEV Deadline2022-03-24
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

DateEvent
2022-03-03Added to CISA Known Exploited Vulnerabilities catalog
2022-03-24CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2017-0261 Vulnerability Database
CISA KEV Catalog Entry US Government