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CVE-2026-50648 is a .NET Framework denial-of-service vulnerability caused by allocation of resources without limits or throttling. An unauthenticated remote attacker can cause excessive resource consumption in an affected system, resulting in service unavailability. The issue is also described as affecting .NET XML Encryption functionality in System.Security.Cryptography.Xml/EncryptedXml, where crafted encrypted XML can trigger uncontrolled resource consumption.
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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.
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.
32 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A .NET Framework uncontrolled-resource-allocation vulnerability that permits remote denial of service.
A .NET Framework uncontrolled-resource-allocation vulnerability that enables remote denial of service.
A .NET Framework uncontrolled resource-allocation vulnerability allowing remote denial of service.
A .NET Framework remote denial-of-service vulnerability due to uncontrolled resource allocation.
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.