CVE-2026-50523
Microsoft PowerShell Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft PowerShell Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
CVE-2026-50523- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2026-58808
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
EUVD-2026-58808- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2x33-4fc7-ppvw
Improper neutralization of special elements used in a command ('command injection') in Microsoft...
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
GHSA-2x33-4fc7-ppvw- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
CVE-2026-50523- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-50523
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
ALPINE-CVE-2026-50523- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
CVE-2026-50523- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-powershell-2026-50523 No score
Microsoft PowerShell Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
- Record
BIT-powershell-2026-50523- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
powershellAlpine:v3.24 |
7.4 up to 7.6.9-r0 | 7.6.9-r0 |
powershellBitnami |
7.4.0 up to 7.4.19, 7.5.0 up to 7.5.10, 7.6.0 up to 7.6.5 | 7.4.197.5.107.6.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-50523 is a high vulnerability (CVSS 7.8) in Microsoft Powershell, published August 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. Fixed in powershell 7.6.9-r0.