# CVE-2026-86356: CVE-2026-86356

Status: published. Published: 2026-11-13. Updated: 2026-11-13.

Dell PowerStore contains an authorization-bypass vulnerability that could lead to elevation of privilege to administrator.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Dell / PowerStore 500T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 1000T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 1200T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 3000T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 3200Q: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 3200T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 5000T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 5200Q: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 5200T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 7000T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 9000T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 9200T: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 1500: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 5500: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell
- Dell / PowerStore 9500: ≥ 0; < 5.1.0.0-2798105 or later (affected, semver). Source: CNA: dell

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: dell

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-863

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.dell.com/support/kbdoc/en-us/000527640/dsa-2026-479-dell-powerstore-t-security-update-for-multiple-vulnerabilities (CNA: dell; vendor-advisory)

## Provenance

- CNA: dell: https://www.cve.org/CVERecord?id=CVE-2026-86356; retrieved 2026-11-13; source updated 2026-11-13

Revision: 52f0aae6ea9c76b94f8aad48361b906e86b22c1575450d30ae20f71ebd6b16d0

Canonical: https://y2.dev/cve/CVE-2026-86356

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.