Dell PowerStore: Use of a Broken or Risky Cryptographic Algorithm (CVE-2026-86353)
Published Last modified Sources: EUVD, CVE.org
What is affected, what to do
Dell PowerStore contains a use of a weak cryptographic algorithm vulnerability that could allow an attacker with existing privileged access to the appliance to recover stored credentials.
The available sources name no fixed version. Check the vendor guidance in the references below.
Not sure whether and how you are affected? Ask a question about this vulnerability
Metrics
5.0
XIEM Effective CVSS
Highest available CVSS rating from NVD and vendor data.
Source: Vendor (CNA), CVSS v3
5.0
CVSS v3
Severity Medium on the scale from 0 to 10.
Source: EUVD, CVE.org
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EPSS score
No value is available for this vulnerability.
Show all metrics
- Severity
- Medium
Priority (0–325)
The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?
Read in glossary- 55.00 Methodology
Exploit maturity
An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.
Read in glossary- no public PoC known
XIEM Effective CVSS
XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command.
Read in glossary- 5.0 Methodology
CVSS v3
CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions.
Read in glossary- 5.0
KEV status
The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.
Read in glossary- —
- Published
CWE
CWE is a catalogue of typical weakness types in software and hardware — such as flawed input validation, unsafe memory handling or poor authentication. Where a CVE names a concrete vulnerability in a concrete product, a CWE describes the underlying class of defect.
Read in glossary- CWE-327
Detection rules
No NEOSEC detection rule is available for this vulnerability yet.
Classification under NIS2 and CRA
Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.
NIS2
NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.
Read in glossary- Handle the vulnerability in regular vulnerability handling under Art. 21(2)(e) NIS2.
CRA
The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.
Read in glossary- From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
ISO/IEC 27001
ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.
Read in glossary- Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.
Description
Dell PowerStore contains a use of a weak cryptographic algorithm vulnerability that could allow an attacker with existing privileged access to the appliance to recover stored credentials.
Source: ENISA EUVD, NVD (NIST), cvelistv5, CVE.org (MITRE)
Affected products
The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.
| Affected versions | Fixed in | ||
|---|---|---|---|
| Dell | PowerStore 1000T |
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| Dell | PowerStore 1200T |
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| Dell | PowerStore 1500 |
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| Dell | PowerStore 3000T |
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| Dell | PowerStore 3200Q |
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| Dell | PowerStore 3200T |
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| Dell | PowerStore 5000T |
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| Dell | PowerStore 500T |
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| Dell | PowerStore 5200Q |
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| Dell | PowerStore 5200T |
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| Dell | PowerStore 5500 |
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| Dell | PowerStore 7000T |
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| Dell | PowerStore 9000T |
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| Dell | PowerStore 9200T |
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| Dell | PowerStore 9500 |
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Vendors and products
Weakness classes (CWE)
CWE-327Use of a Broken or Risky Cryptographic Algorithm
Class
The product uses a broken or risky cryptographic algorithm or protocol.
Entry at MITRE CWE-327
References & sources
- dell.comsupport/kbdoc/en-us/000527640/dsa-2026-479-dell-powerstore-t-se…euvd, Vendor advisory
- NVD (NIST)vuln/detail/CVE-2026-86353euvd
Changes to this CVE
Who changed this CVE and when: NVD (analysis, affected products, CVSS), the CVE publisher (CNA) and additional providers such as CISA (ADP).
ReceivedDell
CVSS V3.1: AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N
Weakness type: CWE-327
Description added or changed
Show 5 original changes
Individual changes of this event as published by NVD Type Action Before After Description added —Dell PowerStore contains a use of a weak cryptographic algorithm vulnerability that could allow an attacker with existing privileged access to the appliance to recover stored credentials.CVSS added —AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:NWeakness type (CWE) added —CWE-327Affected versions (publisher) added —New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/86xxx/CVE-2026-86353.json">CVE-2026-86353</a>Reference added —https://www.dell.com/support/kbdoc/en-us/000527640/dsa-2026-479-dell-powerstore-t-security-update-for-multiple-vulnerabilitiesSource identifier: security_alert@emc.com
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<a href="https://intel.neosec.eu/en/cve/CVE-2026-86353"><img src="https://intel.neosec.eu/badge/cve/CVE-2026-86353.svg?lang=en" alt="CVE-2026-86353 – NEOSEC Intel" height="20"></a>