PowerShell Elevation of Privilege Vulnerability
Incorrect default permissions in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
- Published
- Aug 11, 2026
- Updated
- Oct 8, 2026
- EPSS
- 0.4% · 30th percentile
- CWE
- CWE-276
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 29 / 40 · 7.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · microsoft
- 7.3
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | powershell | cpe:2.3:a:microsoft:powershell |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft powershell7.4 and later · before 7.4.19.0
- microsoft powershell7.5 and later · before 7.5.10.0
- microsoft powershell7.6 and later · before 7.6.5
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft PowerShell 7.4
- 7.4.0 and later · before 7.4.19.0affected
Microsoft PowerShell 7.5
- 7.5.0 and later · before 7.5.10.0affected
Microsoft PowerShell 7.6
- 7.6.0 and later · before 7.6.5affected
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-41076PowerShell Remote Code Execution Vulnerability52Plan
- CVE-2018-8327A remote code execution vulnerability exists in PowerShell Editor Services, aka "PowerShell Editor Services Remote Code Execution Vulnerabil46Plan
- CVE-2024-0057NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability40Plan
- CVE-2026-70337Microsoft PowerShell Remote Code Execution Vulnerability35Monitor
- CVE-2026-50523Microsoft PowerShell Remote Code Execution Vulnerability31Monitor
- CVE-2026-70338Microsoft PowerShell Security Feature Bypass Vulnerability31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| PowerShell 7.4 | 7.4.19.0 | Microsoft (MSRC) |
| PowerShell 7.5 | 7.5.10.0 | Microsoft (MSRC) |
| PowerShell 7.6 | 7.6.5 | Microsoft (MSRC) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-276 · Incorrect Default PermissionsCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.