RCE in Windows Kerberos Key Distribution Center (KDC)
CVE-2026-47288 is a critical remote code execution vulnerability in the Windows Kerberos Key Distribution Center (KDC). The flaw is caused by an integer overflow or wraparound in the Windows Kerberos implementation. According to the provided advisory context, an authenticated attacker on an adjacent network can send specially crafted authentication-related data to a domain controller and trigger the vulnerable condition, potentially leading to code execution in the Kerberos service context on the target domain controller. The issue affects the Windows Kerberos/KDC component used by domain controllers to process Kerberos authentication traffic.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The version that knows your environment.
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.