Stack-based Buffer Overflow Affecting system.security.cryptography.xml package, versions [8.0.0,8.0.4)[9.0.0,9.0.18)[10.0.0,10.0.10)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published15 Jul 2026
- disclosed15 Jul 2026
- creditLevi Broderick
Introduced: 15 Jul 2026
CVE-2026-50527 (opens in a new tab)How to fix?
Upgrade System.Security.Cryptography.Xml to version 8.0.4, 9.0.18, 10.0.10 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via improper validation in the EncryptedXml implementation. An attacker can cause denial of service by supplying crafted encrypted XML that is improperly validated during processing, leading to excessive resource consumption or application failure.