CVE-2026-48570 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48573 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48573

CVE-2026-48573 describes a protection mechanism failure in Windows Secure Boot allowing an authorized attacker to bypass a security feature locally. The NVD entry notes a local attack vector with high impact on confidentiality and integrity (C:H/I:H) and a CVSS v3.1 base score of 7.9. Connected d...

CVE-2026-48570

CVE-2026-48570 concerns a protection mechanism failure in Windows Secure Boot that could allow an authorized attacker with HIGH privileges to bypass a security feature locally (local attack, no user interaction). The CVSS 3.1 vector is AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N with a base score of 7.9 ...

CVE-2026-48573 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48570 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48568 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48568 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-48568

CVE-2026-48568 concerns a protection mechanism failure in Windows Secure Boot that allows a local attacker to bypass a security feature. The connected sources indicate an in-scope vulnerability where an attacker with HIGH privileges and local access can bypass integrity and confidentiality protec...

CVE-2026-45588

CVE-2026-45588 concerns a protection mechanism failure in Windows Secure Boot that allows an authorized attacker to bypass a security feature locally. The NVD/CVE entry describes a local attack with high impact on confidentiality and integrity and no availability impact, requiring high privileges...

CVE-2026-45588 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-45588 Secure Boot Security Feature Bypass Vulnerability

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CVE-2026-45656 UEFI Secure Boot Security Feature Bypass Vulnerability

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May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457)

May 12, 2026—KB5089549 OS Builds 26200.8457 and 26100.8457 This cumulative update for Windows 11, version 25H2 and 24H2 KB5089549 includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release.Visit the Windows release health...

May 12, 2026—Hotpatch KB5089466 (OS Builds 26200.8390 and 26100.8390)

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May 12, 2026—Hotpatch KB5087423 (OS Build 26100.32772)

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KB5094006: Cumulative security update for Internet Explorer: June 9, 2026

KB5094006: Cumulative security update for Internet Explorer: June 9, 2026 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs are...

June 9, 2026—KB5094122 (OS Build 14393.9234)

June 9, 2026—KB5094122 OS Build 14393.9234 Summary This article lists the security issues and quality improvements included in this cumulative security update. Windows Server 2016Windows 10, version 1607 Applies to: Windows Server 2016This security update includes fixes and improvements that are ...

June 9, 2026—KB5094042 (Monthly Rollup)

June 9, 2026—KB5094042 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012. For a successful installation, please make sure all Subset of endpoints for ESU only are...

June 9, 2026—KB5094041 (Monthly Rollup)

June 9, 2026—KB5094041 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make sure all Subset of endpoints for ESU only a...