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CVE-2026-15264 is an Important-severity vulnerability in QEMU. Available metadata identifies fixes in QEMU 11.1.0-rc3 and 11.0.4, but does not disclose the affected component, vulnerable function, root cause, or a technically reliable exploit path. The reported CVSS v3.1 vector indicates a local, low-complexity attack requiring low privileges and causing high confidentiality, integrity, and availability impact across a changed security scope.
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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.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Unity Linux/UOS Server vulnerability rated critical by the supplied CVSS v3.0 vector (9.8), permitting network-based compromise with low attack complexity, no privileges or user interaction, and high impact to confidentiality, integrity, and availability. The content does not identify the affected package or technical flaw.
An important QEMU vulnerability with a CVSS 3.1 score of 8.8. The vector indicates a local, low-complexity attack requiring low privileges, with no user interaction, that can affect confidentiality, integrity, and availability across a changed security scope. Upstream fixes are available in QEMU 11.0.4 and 11.1.0-rc3.
An unpatched vulnerability tracked as CVE-2026-15264 affecting Debian Linux 11.0, 12.0, and 13.0, according to the Nessus plugin metadata. The content does not specify the vulnerability class, affected component, or impact.
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.