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01 Record

CVE-2026-67271

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of

CriticalPUBLISHEDCNA: dell
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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02 Description

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.83% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 57.3% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-08-31.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-08-18 16:44Z2 MO AGO
Last updated
2026-08-31 06:05Z1 MO AGO
Reserved
2026-07-29
Assigning CNA
dell
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
dc3ce79eed9d548d61e19029915a6e12af81dfeed2712c0547a8c40f666c313e

05 Affected products

VendorProductVersionsPlatforms
DellPowerStore 500T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 1000T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 1200T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 3000T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 3200Q0 to < 5.0.0.2-2761110 or later—
DellPowerStore 3200T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 5000T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 5200Q0 to < 5.0.0.2-2761110 or later—
DellPowerStore 5200T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 7000T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 9000T0 to < 5.0.0.2-2761110 or later—
DellPowerStore 9200T0 to < 5.0.0.2-2761110 or later—

06 References