CVE-2017-11826

ENISA EUVD: EUVD-2017-3426 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 3 articles Published: 2017-10-13
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-23
91.69%
probability
This CVE has a 91.69% probability of being exploited in the next 30 days.
0% Top 99.7th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2 (legacy)

9.3
HIGH
Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
AV:N/AC:M/Au:N/C:C/I:C/A:C

Description

VulnerabilityLookup (CNA)
Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.

Affected Products

Microsoft Corporation
Microsoft Office
Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, Office Online Server.

Attack Intelligence

Google Project Zero

Discovered
Sept. 28, 2017
Patched
Oct. 10, 2017
Reported by
Yang Kang, Ding Maoyin and Song Shenlei of Qihoo 360 Core Security (@360CoreSec)
Root Cause Analysis
???

Exploits & PoC

thatskriptkid/CVE-2017-11826

Exploit for CVE-2017-11826

8 2020-05-18
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 91.69%
CVSS v3.1 7.8
Mentions 3
Last Seen Oct 10, 2017

CNA Information

CNA Assigner
microsoft

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateOct 13, 2017