CVE-2026-70338
HIGHCVSS 7.8/10
Last modified
CVE-2026-70338 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally..
Description
Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | PowerShell 7.4 | >= 7.4.0, < 7.4.19.0 |
| Microsoft | PowerShell 7.5 | >= 7.5.0, < 7.5.10.0 |
| Microsoft | PowerShell 7.6 | >= 7.6.0, < 7.6.5 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-70338?
Improper control of generation of code ('code injection') in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
How severe is CVE-2026-70338?
CVE-2026-70338 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-70338?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-70338?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST