{"id":21566,"date":"2026-08-11T13:40:23","date_gmt":"2026-08-11T13:40:23","guid":{"rendered":"https:\/\/windowsreport.com\/it\/cisa-conferma-che-una-vulnerabilita-di-sharepoint-e-utilizzata-in-attacchi-ransomware\/"},"modified":"2026-08-11T13:40:23","modified_gmt":"2026-08-11T13:40:23","slug":"cisa-conferma-che-una-vulnerabilita-di-sharepoint-e-utilizzata-in-attacchi-ransomware","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/it\/cisa-conferma-che-una-vulnerabilita-di-sharepoint-e-utilizzata-in-attacchi-ransomware\/","title":{"rendered":"CISA conferma che una vulnerabilit\u00e0 di SharePoint \u00e8 utilizzata in attacchi ransomware"},"content":{"rendered":"\n<p>CISA ha confermato che una vulnerabilit\u00e0 di Microsoft SharePoint tracciata come CVE-2026-45659 \u00e8 ora utilizzata in attacchi ransomware.<\/p>\n\n\n\n<p>Il mese scorso, CISA aveva avvertito che una nuova vulnerabilit\u00e0 di SharePoint era in fase di sfruttamento. Ora l&#8217;agenzia ha collegato questa vulnerabilit\u00e0 di elevata gravit\u00e0 a campagne ransomware che prendono di mira server SharePoint vulnerabili.<\/p>\n\n\n\n<p>La vulnerabilit\u00e0, tracciata come <a href=\"https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45659#:~:text=Known%20To%20Be%20Used%20in%20Ransomware%20Campaigns%3F%20Known\" target=\"_blank\" rel=\"noopener\">CVE-2026-45659<\/a>, \u00e8 considerata attivamente sfruttata dall&#8217;inizio di luglio. Era anche una delle tre vulnerabilit\u00e0 di SharePoint emergenti precedentemente segnalate da CISA.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cve-2026-45659-can-allow-remote-code-execution\">CVE-2026-45659 pu\u00f2 consentire l&#8217;esecuzione di codice in modalit\u00e0 remota<\/h2>\n\n\n\n<p>CVE-2026-45659 interessa le versioni senza patch di SharePoint Enterprise Server 2016, SharePoint Server 2019 e SharePoint Server Subscription Edition.<\/p>\n\n\n\n<p>La vulnerabilit\u00e0 deriva da una deserializzazione non sicura e pu\u00f2 consentire ad attaccanti con privilegi bassi di eseguire codice arbitrario sui server interessati.<\/p>\n\n\n\n<p>In precedenza, Microsoft aveva descritto lo sfruttamento come di complessit\u00e0 relativamente bassa e aveva dichiarato che gli attaccanti necessitano di poca conoscenza preliminare del sistema preso di mira.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cisa-ordered-federal-agencies-to-patch-the-flaw\">CISA ha ordinato alle agenzie federali di correggere la vulnerabilit\u00e0<\/h3>\n\n\n\n<p>CISA ha aggiunto la CVE-2026-45659 al suo Catalogo delle vulnerabilit\u00e0 note e sfruttate il 1\u00b0 luglio e ha concesso alle agenzie del ramo esecutivo civile federale tre giorni per mettere in sicurezza i server SharePoint interessati.<\/p>\n\n\n\n<p>L&#8217;agenzia ha avvertito che vulnerabilit\u00e0 di questo tipo attirano spesso malintenzionati e rappresentano rischi significativi per le organizzazioni federali.<\/p>\n\n\n\n<p>Successivamente, CISA ha consigliato alle organizzazioni di installare gli ultimi aggiornamenti di sicurezza di Microsoft, di verificare che le patch siano state applicate con successo, di monitorare i server SharePoint alla ricerca di segni di compromissione e di ridurre i tempi di applicazione delle patch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-hundreds-of-sharepoint-servers-reportedly-remain-vulnerable\">Secondo quanto riferito, centinaia di server SharePoint restano ancora vulnerabili<\/h3>\n\n\n\n<p>A quanto pare, oltre 200 sistemi SharePoint restano senza patch contro la CVE-2026-45659, esponendoli a potenziali attacchi.<\/p>\n\n\n\n<p>Microsoft non ha ancora aggiornato il proprio advisory CVE per contrassegnare ufficialmente la vulnerabilit\u00e0 come sfruttata in ambienti reali.<\/p>\n\n\n\n<p>Nel frattempo, in altre notizie sulla sicurezza, <a href=\"https:\/\/windowsreport.com\/it\/storm-1175-torna-con-il-nuovo-ransomware-stormencryptor-e-nuove-tattiche-dattacco-avverte-microsoft\/\" target=\"_blank\" rel=\"noopener\">Microsoft mette in guardia sul nuovo ransomware StormEncryptor<\/a>.<\/p>\n\n\n\n<p>Via <a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/cisa-microsoft-sharepoint-flaw-now-exploited-in-ransomware-attacks\/\" target=\"_blank\" rel=\"noopener\">BleepingComputer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CISA ha confermato che una vulnerabilit\u00e0 di Microsoft SharePoint tracciata come CVE-2026-45659 \u00e8 ora utilizzata in attacchi ransomware. Il mese scorso, CISA aveva avvertito che una nuova vulnerabilit\u00e0 di SharePoint era in fase di sfruttamento. Ora l&#8217;agenzia ha collegato questa vulnerabilit\u00e0 di elevata gravit\u00e0 a campagne ransomware che prendono di mira server SharePoint vulnerabili. La [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":21567,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[909],"tags":[],"work":[],"class_list":["post-21566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CISA conferma che una vulnerabilit\u00e0 di SharePoint \u00e8 utilizzata in attacchi ransomware<\/title>\n<meta name=\"description\" content=\"CISA conferma che la vulnerabilit\u00e0 di Microsoft SharePoint CVE-2026-45659 viene ora sfruttata in attacchi ransomware contro server vulnerabili.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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Now, he's one of the Troubleshooting experts in our worldwide team, specializing in Windows errors &amp; software issues.","sameAs":["https:\/\/x.com\/MilanStanojev17"],"url":"https:\/\/windowsreport.com\/it\/author\/milan\/"}]}},"_links":{"self":[{"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/posts\/21566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/users\/49"}],"replies":[{"embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/comments?post=21566"}],"version-history":[{"count":0,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/posts\/21566\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/media\/21567"}],"wp:attachment":[{"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/media?parent=21566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/categories?post=21566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/tags?post=21566"},{"taxonomy":"work","embeddable":true,"href":"https:\/\/windowsreport.com\/it\/wp-json\/wp\/v2\/work?post=21566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}