Articles from April 2026
Browse all Windows news articles published in April 2026
Single Line of Code Patches a 20-Year-Old Linux IPv6 Firewall Bug
A pair of eyes on a decades-old Linux kernel module has uncovered a security flaw that could let attackers slip malicious IPv6 packets past a firewall check — and the fix boils down to removing a...
CVE-2026-31630: The Linux Kernel Off-by-One That Could Crash WSL and Linux Servers
On April 24, 2026, the U.S. National Vulnerability Database published CVE-2026-31630, a flaw in the Linux kernel that stems from a one-byte mistake—a buffer made just a byte too small to hold the...
Two Missing 'Return' Statements: Linux Kernel NFC Patch Stops Memory Corruption Bug
A missing “return” in two Linux kernel functions can trigger a use-after-free vulnerability that corrupts memory and opens the door to system compromise, according to a freshly disclosed CVE....
CVE-2026-31591: Linux KVM Race Condition Can Crash Servers Running AMD SEV-SNP Confidential VMs
A newly documented Linux kernel flaw (CVE-2026-31591) can crash physical servers that host AMD’s most secure confidential virtual machines. The bug sits in KVM’s handling of AMD Secure Encrypted...
CVE-2026-31639: Linux Kernel Key Leak Reaches Windows Networks – What to Patch Now
On April 24, 2026, a Linux kernel vulnerability tracked as CVE-2026-31639 was published, revealing a reference count leak in the rxrpc subsystem that can keep authentication keys alive indefinitely...
Microsoft Flags Linux Kernel TIPC Flaw CVE-2026-31662 — Here’s Who’s Actually Affected
Microsoft’s Security Response Center (MSRC) added a new vulnerability to its update guide on Tuesday: CVE-2026-31662. The bug can permanently freeze group broadcasts inside a running Linux kernel,...
Linux Kernel Race Condition in HugeTLB and userfaultfd Triggers System Crashes—Microsoft Tracks CVE-2026-31575
A newly published Linux kernel vulnerability, CVE-2026-31575, allows concurrent page-fault threads to corrupt critical memory reservation data, potentially crashing the system. The flaw stems from a...
A Single Line of Linux Code Can Crash Your Device—Here’s the Fix
A kernel vulnerability published on April 24, 2026, shows how a one-line mistake in an error-handling path can bring down entire Linux systems. CVE-2026-31560, now tracked by the National...
Microsoft's Security Portal Flags a Linux Kernel Bug—Why Windows Users Should Pay Attention
Microsoft's Security Response Center published an advisory in late April 2026 for CVE-2026-31627, a vulnerability in the Linux kernel’s I2C subsystem. The flaw sits in a driver for aging Samsung...
Linux Kernel Flaw CVE-2026-23414 Puts WSL2 Systems at Risk: Patch Today
A newly disclosed vulnerability in the Linux kernel’s TLS implementation can be exploited by local users to slowly drain system memory, and Windows devices running Windows Subsystem for Linux 2...
Not Your Ordinary Windows CVE: How a Linux Driver Bug Ended Up on Microsoft’s Security Dashboard
On April 24, 2026, a Linux kernel vulnerability was published that most Windows users can safely ignore—but because Microsoft added it to their Security Update Guide, it’s raising eyebrows among...
CVE-2026-31615: The Linux USB Bug That Demands a Windows Admin’s Attention
On April 24, 2026, the Linux kernel project published CVE-2026-31615, a security flaw in the Renesas USB 3.0 peripheral controller driver. The bug allows a USB host to supply a malicious endpoint...