CVE-2017-0261: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-04-02T23:25:11.099Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0262 and CVE-2017-0281.

• Context preserved from previous revision: Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0262 and CVE-2017-0281. Notes: Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

Technical Details

• CVE: CVE-2017-0261
• KEV date added: 2022-03-03
• KEV due date: 2022-03-24
• NVD published: 2017-05-12
• NVD modified: 2025-10-22
• MITRE modified: 2025-10-21
• CVSS base score: 7.8
• CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
• CVSS exploitability score: 1.8
• CVSS impact score: 5.9
• Attack vector: Local
• Attack complexity: Low
• Privileges required: None
• User interaction: Required
• Scope: Unchanged
• Confidentiality impact: High
• Integrity impact: High
• Availability impact: High

Versions and Products Impacted

• microsoft / office (versions: 2010)
• microsoft / office (versions: 2013)
• microsoft / office (versions: 2016)
• Microsoft Corporation / Microsoft Office (versions: Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016)

Weakness Classification

• CWE-416
• Remote Code Execution

Repositories for Lab Validation (Public Examples)

• Ostorlab/KEV | stars: 608 | updated: 2026-03-23 | https://github.com/Ostorlab/KEV
  Notes: Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
• houjingyi233/office-exploit-case-study | stars: 385 | updated: 2026-02-14 | https://github.com/houjingyi233/office-exploit-case-study
• Panopticon-Project/Panopticon-Patchwork | stars: 0 | updated: 2022-01-08 | https://github.com/Panopticon-Project/Panopticon-Patchwork
• erfze/CVE-2017-0261 | stars: 0 | updated: 2020-08-22 | https://github.com/erfze/CVE-2017-0261
  Notes: CVE-2017-8570 Exp及利用样本分析

People and Organizations Mentioned

• microsoft
• Office
• Ostorlab
• houjingyi233
• Panopticon-Project
• erfze

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Use microsoft / office (versions: 2010) in isolated VM snapshots (vulnerable vs patched) and compare process tree telemetry before/after updates.
4. Validate command-execution prevention policies (AppLocker/WDAC/EDR) with harmless test binaries only.
5. Create SIEM detections for suspicious parent-child chains, encoded command usage, and abnormal service creation.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2017-0261
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2017-0261
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• KEV notes: https://nvd.nist.gov/vuln/detail/CVE-2017-0261
• http://www.securityfocus.com/bid/98104
• http://www.securitytracker.com/id/1038444
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0261
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0261
• Repository example: https://github.com/Ostorlab/KEV
• Repository example: https://github.com/houjingyi233/office-exploit-case-study
• Repository example: https://github.com/Panopticon-Project/Panopticon-Patchwork
• Repository example: https://github.com/erfze/CVE-2017-0261

This content is for defensive security training and authorized validation only.