{"id":81650,"date":"2026-07-07T20:46:36","date_gmt":"2026-07-07T17:16:36","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-57851-msi-kerncorelib64-sys-privilege-escalation-via-ioctl-handlers\/"},"modified":"2026-07-07T20:46:36","modified_gmt":"2026-07-07T17:16:36","slug":"cve-2026-57851-msi-kerncorelib64-sys-privilege-escalation-via-ioctl-handlers","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-57851-msi-kerncorelib64-sys-privilege-escalation-via-ioctl-handlers\/","title":{"rendered":"CVE-2026-57851 &#8211; MSI KernCoreLib64.sys Privilege Escalation via IOCTL Handlers"},"content":{"rendered":"<p>CVE ID :CVE-2026-57851<\/p>\n<p>  Published : July 7, 2026, 5:16 p.m. | 31\u00a0minutes ago<\/p>\n<p>  Description :MSI Feature Manager contains a local privilege escalation vulnerability in the KernCoreLib64.sys kernel driver that allows any locally logged-on user to perform arbitrary physical memory read\/write and unrestricted I\/O port operations by accessing exposed IOCTL handlers without administrator privileges. Attackers can exploit the accessible device object through IOCTL handlers to manipulate kernel objects, tamper with kernel-mode callbacks, bypass Protected Process Light protections, and disable security software.<\/p>\n<p>  Severity: 8.5 | HIGH<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-57851 Published : July 7, 2026, 5:16 p.m. | 31\u00a0minutes ago Description :MSI Feature Manager contains a local privilege escalation vulnerability in the KernCoreLib64.sys kernel driver that allows any locally logged-on user to perform arbitrary physical memory read\/write and unrestricted I\/O port operations by accessing exposed IOCTL handlers without administrator privileges. Attackers can &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81650","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81650"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81650\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}