CVE-2026-76104 is an incorrect permission-assignment vulnerability in the operating system used by affected Dell ObjectScale and Elastic Cloud Storage (ECS) deployments. Improperly assigned permissions can be abused by a high-privileged remote attacker to trigger denial-of-service conditions. The vulnerability has a CVSS score of 5.5.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Incorrect operating-system permission-assignment vulnerability that could enable a high-privileged remote attacker to cause denial of service.
Incorrect operating-system permission-assignment vulnerability (CVSS 5.5) that could allow a high-privileged remote attacker to cause denial of service.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.