CVE-2018-8248 EPSS 21.4%
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle…
Microsoft · Microsoft Office
Summary
A remote code execution flaw in Microsoft Excel, part of Microsoft Office, arises because the software fails to properly handle objects in memory. An attacker could exploit this to execute code remotely.
Official description · CVE.org
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
19.5 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 6/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.How attackers get in
What they do
What can follow
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 14 Jun 2018. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
8 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order 8Initial AccessTA0001
Drive-by Compromise T1189
MITRE CTID mapping of the CVE · how it is exploited
ExecutionTA0002
Malicious File T1204.002
MITRE CTID mapping of the CVE · how it is exploited
MITRE CTID mapping of the CVE · primary impact
PersistenceTA0003
Create Account T1136
MITRE CTID mapping of the CVE · follow-on activity
CollectionTA0009
Data from Local System T1005
MITRE CTID mapping of the CVE · follow-on activity
ImpactTA0040
Data Destruction T1485
MITRE CTID mapping of the CVE · follow-on activity
Application or System Exploitation T1499.004
MITRE CTID mapping of the CVE · primary impact
Data Manipulation T1565
MITRE CTID mapping of the CVE · follow-on activity
Detection
0 rules for this CVE · 93 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2018-8248 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Drive-by CompromiseT11893 general rules
Malicious FileT1204.00239 general rules
- Droppers Exploiting CVE-2017-11882criticalstable
- Ursnif Malware C2 URL Patterncriticalstable
- Exploit for CVE-2017-8759criticaltest
- Potential Maze Ransomware Activitycriticaltest
- File With Uncommon Extension Created By An Office Applicationhightest
- Flash Player Update from Suspicious Locationhightest
- GAC DLL Loaded Via Office Applicationshightest
- HackTool - LittleCorporal Generated Maldoc Injectionhightest
Hijack Execution FlowT15748 general rules
- Exploiting SetupComplete.cmd CVE-2019-1378hightest
- Potential PrintNightmare Exploitation Attempthightest
- Suspicious Printer Driver Empty Manufacturerhightest
- DLL Execution Via Register-cimprovider.exemediumtest
- Potential Initial Access via DLL Search Order Hijackingmediumtest
- Potential Registry Persistence Attempt Via DbgManagedDebuggermediumtest
- Regsvr32 DLL Execution With Uncommon Extensionmediumtest
- Windows Spooler Service Suspicious Binary Loadinformationaltest
Application or System ExploitationT1499.0043 general rules
- Audit CVE Eventcriticaltest
- Apache Segmentation Faulthightest
- Nginx Core Dumphightest
Create AccountT11363 general rules
Data from Local SystemT100514 general rules
- OpenCanary - SMB File Open Requesthightest
- Potential Conti Ransomware Database Dumping Activity Via SQLCmdhightest
- SQLite Chromium Profile Data DB Accesshightest
- SQLite Firefox Profile Data DB Accesshightest
- VeeamBackup Database Credentials Dump Via Sqlcmd.EXEhightest
- Script Interpreter Spawning Credential Scanner - Linuxhighexperimental
- Script Interpreter Spawning Credential Scanner - Windowshighexperimental
- Shai-Hulud NPM Package Malicious Exfiltration via Curlhighexperimental
Data DestructionT148520 general rules
- Fsutil Suspicious Invocationhighstable
- Potential BlackByte Ransomware Activityhightest
- Potential File Overwrite Via Sysinternals SDeletehightest
- Renamed Sysinternals Sdelete Executionhightest
- AWS EFS Fileshare Mount Modified or Deletedmediumtest
- Azure Device or Configuration Modified or Deletedmediumtest
- Azure Kubernetes Network Policy Changemediumtest
- Azure Kubernetes RoleBinding/ClusterRoleBinding Modified and Deletedmediumtest
Data ManipulationT15653 general rules
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