How severe is CVE-2026-81477?

CVE-2026-81477 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-81477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-81477?

CVE-2026-81477 affects Dell Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-81477?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-81477 published?

CVE-2026-81477 was published on 2026-09-17 and last updated on 2026-10-06.

CVE-2026-81477

CVE-2026-81477 is a high-severity vulnerability in Dell Openmanage Server Administrator with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Dell Openmanage Server Administrator
Published: 2026-09-17
Last modified: 2026-10-06

Description

Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Heap-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.

Frequently asked questions

What is CVE-2026-81477?: Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Heap-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.
How severe is CVE-2026-81477?: CVE-2026-81477 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-81477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-81477?: CVE-2026-81477 affects Dell Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-81477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-81477 published?: CVE-2026-81477 was published on 2026-09-17 and last updated on 2026-10-06.

References

https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv

Affected products (1)

cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:*

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