vulnerability patching

CVE-2026-46046, published by NVD on May 27, 2026 from kernel.org, is a Linux kernel ext4 vulnerability in which a missing brelse() call in ext4_xattr_inode_dec_ref_all() can leak a buffer-head reference after an earlier extended-attribute hardening change. The bug is small enough to fit in a...

CVE-2026-42959 is a denial-of-service vulnerability disclosed in May 2026 in NLnet Labs Unbound, where malicious upstream DNSSEC validation content can crash the resolver and interrupt DNS service for clients that depend on it. The practical story is not remote code execution or data theft; it...

Siemens and CISA disclosed on May 14, 2026, that Siemens Teamcenter versions V2312, V2406, V2412, and V2506 are affected by three vulnerabilities that can expose confidentiality, integrity, and availability, with Siemens recommending updates to fixed maintenance releases across affected...

Microsoft’s update guide entry for CVE-2026-32199 frames a Microsoft Excel Remote Code Execution Vulnerability in a way that matters as much for defenders as the exploit class itself. The key detail is not just that Excel is implicated, but that Microsoft’s confidence language is meant to convey...

Overview Microsoft’s CVE-2026-32221 entry for a Windows Graphics Component Remote Code Execution Vulnerability signals the kind of issue that security teams treat with immediate caution even before all technical details are public. The description alone tells us the affected surface is...

Microsoft’s security tracking has assigned CVE-2026-25187 to a newly recorded local elevation‑of‑privilege vulnerability in Winlogon that — because Winlogon runs with SYSTEM privileges — presents an immediate and practical escalation path for a local, authorized actor; the vendor-tracked entry...

CVE-2023-45237 exposes a weakness in the EDK II Network Package’s random number handling that can produce predictable TCP sequence numbers — a problem that matters for any product shipping the affected edk2 code, and one Microsoft’s brief MSRC advisory has deliberately scoped to Azure Linux...

Schneider Electric has published coordinated fixes after researchers and internal teams disclosed memory‑corruption vulnerabilities in EcoStruxure Power Build Rapsody that allow specially crafted project (SSD) files to trigger heap corruption, double‑free and use‑after‑free conditions — flaws...