BlackTreeCVE IntelligenceJanuary 2026 Patch TuesdayMSRC-2026-01-azure-change-logNormal patch window
Microsoft · MSRC-2026-01-azure-change-log
Linked CVE review
Deploy Microsoft Azure update for Azure Core shared client library for Python
- Linked CVEs
- 1
- Confirmed exploited
- 0
- PoC or lab evidence
- 0
- Maximum CVSS
- 7.5
Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.
1 of 1 linked CVEs shown
Confirmed exploitedCVSS above 9.0
| CVE and description | Severity | Exploit reality | Forecast and access | Remediation |
|---|---|---|---|---|
CVE-2026-21226 Scheduled assessment Azure Core shared client library for Python Remote Code Execution VulnerabilityDeserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network. | 7.5 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.93% · 59.4th percentileForecast date: 2026-10-08NETWORK · HIGH complexity · LOW privileges · NONE user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data. |