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Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
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Back
ShieldCrash
Vulnerability
Threat entity extracted from intelligence sources
Entities
›
vulnerability
›
ShieldCrash
Frequency
5
occurrences
First Seen
September 9, 2026
Last Seen
September 23, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Exploited By
Nightmare Eclipse
Associated Malware
BigDiskBuster
Related CVEs
CVE-2026-69414
CVE-2026-50656
CVE-2026-69601
CVE-2026-69603
CVE-2026-69649
CVE-2026-69676
CVE-2026-69710
CVE-2026-69712
MITRE Techniques
T1003 - OS Credential Dumping
T1068 - Exploitation for Privilege Escalation
T1055 - Process Injection
T1566.001 - Spearphishing Attachment
T1566 - Phishing
Affected Platforms
Windows
Microsoft Defender
BitLocker
Windows Defender
Active Directory
Avast Antivirus
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
1
IA
Initial Access
T1566.001 - Spearphishing Attachment
-
EX
Execution
No techniques detected
-
PE
Persistence
No techniques detected
2
PE
Priv Esc
T1068 - Exploitation for Privilege Escalation
T1055 - Process Injection
-
DE
Defense Evasion
No techniques detected
1
CA
Cred Access
T1003 - OS Credential Dumping
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
4
techniques detected across
3
tactics
Related Clusters (2)
ShieldCrash Exploit Targets Microsoft Malware Protection Engine
Sep 13
·
2 sources
67
New BigDiskBuster Zero-Day Blocks Microsoft Defender Updates
Sep 22
·
7 sources
55
Related Articles (5)
Chaotic Eclipse Released BigDiskBuster, A PoC For Windows Defender Update DoS Zero
Securityaffairs
·
Sep 23
New Microsoft Defender Zero
Linkedin
·
Sep 22
New Windows Defender zero-day blocks Microsoft antivirus updates
Bleepingcomputer
·
Sep 22
ShieldCrash Exposes the Endpoint-Protection Plane as Microsoft's Latest Attack Surface
Tech.Yahoo
·
Sep 13
September 2026 Patch Tuesday: Updates and Analysis
Crowdstrike
·
Sep 9
Related Entities
Nightmare Eclipse
Zero-day Exploit
DDoS
Phishing
Microsoft
CrowdStrike
Gen Digital
Kaspersky
Nvidia
CVE-2026-69414
CVE-2026-50656
CVE-2026-69601
