Loading vulnerability…
CVE-2026-65791 is a critical remote code execution vulnerability in Windows iSCSI Target Service caused by a heap-based buffer overflow. The flaw can be triggered over the network by sending a specially crafted packet to the service, leading to memory corruption in the target process. The vulnerability does not require authentication or user interaction and affects multiple supported Windows Server releases as well as certain Windows 10 builds where the iSCSI Target Service is present. Microsoft rates the issue as Critical with CVSS v3.1 9.8.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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.
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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Windows iSCSI Target Service remote code execution vulnerability mentioned only in a list of other notable CVEs.
A critical heap-based buffer overflow remote code execution vulnerability in Windows iSCSI Target Service.
A critical remote code execution vulnerability in Windows iSCSI Target Service.
A critical remote code execution vulnerability in Windows iSCSI Target Service caused by a heap-based buffer overflow, allowing unauthenticated network-based code execution.
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.