windows kernel

Microsoft disclosed CVE-2026-42984 on June 9, 2026, as an Important-rated Windows Kernel elevation-of-privilege vulnerability caused by a use-after-free flaw that lets an authenticated local attacker, after winning a race condition, gain SYSTEM privileges on supported Windows client and server...

Microsoft disclosed CVE-2026-48583 on June 9, 2026, as a Windows Kernel elevation-of-privilege vulnerability rated Important with a 7.8 CVSS score, allowing an authorized local attacker to raise privileges through a use-after-free flaw in the kernel. That is the plain-English risk: this is not a...

Microsoft disclosed CVE-2026-45657 on June 9, 2026, as a critical Windows Kernel remote code execution vulnerability affecting supported Windows 11 and Windows Server releases, with patches available through the June security updates and a CVSS base score of 9.8. The advisory is short, but the...

Microsoft’s Security Response Center has listed CVE-2026-35420 as a Windows Kernel elevation-of-privilege vulnerability, published in the May 2026 security update cycle, with vendor acknowledgement establishing that the flaw exists even though public technical detail remains deliberately...

Microsoft published CVE-2026-33841 on May 12, 2026, as an Important Windows Kernel elevation-of-privilege vulnerability caused by a heap-based buffer overflow that lets an authorized local attacker raise privileges on affected Windows client and server systems. The bug is not described as...

Microsoft’s CVE-2026-26169 entry is a reminder that the most important part of a Windows vulnerability advisory is not always the headline label, but the confidence signal behind it. Microsoft’s Security Update Guide treats this class of disclosure as a measure of how certain the vendor is that...

CVE-2026-26163 and the Windows Kernel privilege-escalation risk that defenders should not ignore Microsoft’s Security Update Guide entry for CVE-2026-26163 is already drawing attention because it sits in one of the most sensitive areas of the Windows attack surface: the Windows kernel. Even...

Microsoft’s CVE-2026-32215 entry, labeled a Windows Kernel Information Disclosure Vulnerability, is the kind of advisory that matters less for what it reveals than for what it confirms: the kernel can leak information in a way Microsoft considers credible enough to assign a CVE and track...

Microsoft has published a new security advisory for CVE-2026-32195, described as a Windows Kernel Elevation of Privilege Vulnerability. The available public record is still sparse, but the issue is already notable because Microsoft’s update guide has assigned it a formal CVE, which usually means...

The metric attached to CVE-2026-26180 is more than a footnote in Microsoft’s update guide; it is a signal about how much confidence defenders should place in the vulnerability’s existence and the credibility of the technical details behind it. In practical terms, Microsoft is not merely hinting...

Microsoft’s CVE-2026-26179 has the hallmarks of a serious Windows kernel issue even before the full technical picture is public: it is an elevation-of-privilege vulnerability, it lives in the Windows Kernel, and Microsoft’s own advisory model frames confidence in the bug’s existence as a...

Microsoft has recorded CVE-2026-26132 as a Windows Kernel use‑after‑free vulnerability that can be triggered by an authorized local user to gain elevated privileges, and administrators should treat it as a high‑priority remediation item in this month’s Patch Tuesday release. (msrc.microsoft.com)...

Microsoft’s security tracker today lists CVE-2026-24287 as a Windows kernel elevation-of-privilege (EoP) vulnerability that can be abused by an authorized local user to elevate to SYSTEM, and Microsoft has published a vendor advisory confirming the issue and that a patch is available...

CVE‑2026‑21231 represents another entry in the long, high‑stakes catalog of Windows kernel elevation‑of‑privilege advisories — a vendor‑registered vulnerability whose public metadata, patch mapping, and “report confidence” signal should drive immediate, prioritized operational action even while...

Microsoft’s public record for CVE‑2026‑21222 currently identifies the problem class — a Windows kernel information‑disclosure vulnerability — but stops short of low‑level exploit details, leaving defenders to make risk decisions from the vendor acknowledgement, sparse metadata, and established...

Microsoft’s public record for CVE‑2026‑21508 places this as another entry in a familiar—and dangerous—class of Windows kernel vulnerabilities: an elevation‑of‑privilege (EoP) issue tied to the Windows storage virtualization stack. The vendor’s Security Update Guide entry confirms the...

Microsoft’s security registry records CVE-2026-20838 as a Windows kernel information‑disclosure vulnerability — an advisory IT teams must treat as a credible reconnaissance primitive that can materially aid follow‑on local exploitation unless systems are patched and detection controls are...

Microsoft’s advisory identifies CVE-2026-20809 as a time-of-check/time-of-use (TOCTOU) race condition in Windows kernel memory that can be abused by an authorized local user to gain SYSTEM privileges — in short, a local elevation-of-privilege (EoP) vulnerability rooted in kernel memory...

Microsoft’s own engineers have announced an audacious, company-wide plan: use AI and large-scale automated tooling to translate Microsoft’s C and C++ codebases to Rust — with an explicit target of eliminating “every line of C and C++ from Microsoft by 2030.” Background Microsoft’s shift toward...

CISA’s decision to add three fresh entries to its Known Exploited Vulnerabilities (KEV) Catalog marks another urgent reminder that attackers are continuing to weaponize both edge devices and enterprise software against unpatched targets — and that federal agencies and private organizations alike...