Linux Azure Diagnostic extension (LAD) Elevation of Privilege Vulnerability
Priority LOW 36CWE-122Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Heap-based buffer overflow in Azure Linux Virtual Machines allows an authorized attacker to elevate privileges locally.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0039 33rd percentileScored 2026-11-07
Fix Fixed Azure Linux Virtual Machines with Azure Diagnostics extension (Microsoft): 2.1.24
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Azure Linux Virtual Machines with Azure Diagnostics extension | 1.0.0 to before 2.1.24 | 2.1.24 | Patch available | CNA |
- Azure Linux Virtual Machines with Azure Diagnostics extension VendorMicrosoft Affected 1.0.0 to before 2.1.24 Fixed in 2.1.24 Patch available CNA
Remediation
- Fix · CNA Azure Linux Virtual Machines with Azure Diagnostics extension (Microsoft) Fixed in 2.1.24
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Azure Linux Virtual Machines with Azure Diagnostics extension | Fixed | 2.1.24 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23665
- 2026-10-03 Alias added: GHSA-6m2p-x552-vxhp
Sources
- CVE-2026-23665 · CVE Program
- CVE-2026-23665 · NVD
- FIRST EPSS
- GHSA-6m2p-x552-vxhp · GitHub Advisory Database · CC BY 4.0
- CVE-2026-23665 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences