<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Binaryformatter — PoC Archive</title><link>https://poc.intelseclab.com/tags/binaryformatter/</link><description>Latest proof-of-concept entries.</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Mon, 27 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://poc.intelseclab.com/tags/binaryformatter/index.xml" rel="self" type="application/rss+xml"/><item><title>Microsoft SharePoint Server WS-Federation SecurityContextToken Deserialization → Unauthenticated RCE (CVE-2026-50522)</title><link>https://poc.intelseclab.com/pocs/web/2026-07-27_cve-2026-50522-sharepoint-preauth-rce/</link><pubDate>Mon, 27 Jul 2026 00:00:00 +0000</pubDate><guid>https://poc.intelseclab.com/pocs/web/2026-07-27_cve-2026-50522-sharepoint-preauth-rce/</guid><description>Critical severity (CVSS 9.8) — web · CVE-2026-50522. Status: Weaponized — public PoC confirmed used in real attacks within hours of release (watchTowr honeypot telemetry). Affects: Microsoft SharePoint Server (on-premises). Tags: sharepoint, deserialization, binaryformatter, ws-federation, unauthenticated, rce, kev, actively-exploited, microsoft.</description><category>web</category><category>Critical</category><category>sharepoint</category><category>deserialization</category><category>binaryformatter</category><category>ws-federation</category><category>unauthenticated</category><category>rce</category><category>kev</category><category>actively-exploited</category><category>microsoft</category></item></channel></rss>