remote-code-execution
Safeguard articles tagged "remote-code-execution" — guides, analysis, and best practices for software supply chain and application security.
55 articles
Java Deserialization Vulnerabilities: How Gadget Chains Work and How to Stop Them
Native Java deserialization can turn a single readObject() call into remote code execution. Here's how gadget chains work and how to shut them down.
Log4j Log4Shell vulnerability explained CVE-2021-44228
Log4Shell (CVE-2021-44228) let attackers gain RCE via a single logged string. Here's the CVSS/EPSS/KEV context, timeline, and how to remediate it.
CVE-2026-45657: The Wormable-Class Windows Kernel RCE You Should Patch This Week
A CVSS 9.8 zero-day-grade remote code execution flaw in the Windows kernel's TCP/IP path lets unauthenticated attackers run code as SYSTEM with no user interaction. Here's what's confirmed, what's hype, and what to do now.
Patch Tuesday June 2026: ~200 Flaws, 6 Zero-Days, and a Wormable Kernel RCE
Microsoft's June 2026 Patch Tuesday is among the largest on record — roughly 200 fixes, six zero-days including one exploited in the wild, and a top-severity Windows Kernel RCE. Here's what actually matters.
CVE-2026-41089: The Unauthenticated Netlogon RCE That Owns Your Domain Controller
CVE-2026-41089 is a CVSS 9.8 unauthenticated remote code execution flaw in Windows Netlogon: an integer overflow in MS-NRPC handshake parsing leads to a stack overflow on domain controllers, with no credentials or user interaction required.
SAP May 2026: Two CVSS 9.6 Bugs Put S/4HANA SQL and Commerce Cloud RCE in the Crosshairs
SAP's May 2026 Patch Day fixed two critical CVSS 9.6 flaws: CVE-2026-34260, an authenticated SQL injection in S/4HANA Enterprise Search, and CVE-2026-34263, an unauthenticated configuration-upload-to-RCE in SAP Commerce Cloud. Both carry cross-scope impact.
Microsoft May 2026 Patch Tuesday: No Zero-Days, but Two CVSS 9.8 Wormable RCEs
Microsoft's May 2026 Patch Tuesday shipped without a single exploited zero-day for the first time since June 2024, but it still carried two unauthenticated CVSS 9.8 remote code execution bugs in core Windows services that every domain should treat as emergency patches.
Ivanti EPMM CVE-2026-6973: Authenticated RCE on CISA KEV in May 2026
Ivanti disclosed CVE-2026-6973 on May 7, 2026, an improper-input-validation RCE in Endpoint Manager Mobile already seeing limited exploitation. CISA gave federal agencies a three-day patch deadline.
Unsafe deserialization in SnakeYAML CVE-2022-1471
CVE-2022-1471 lets attackers achieve RCE via SnakeYAML's unsafe Constructor. Learn affected versions, CVSS/EPSS context, and remediation steps.
regreSSHion OpenSSH RCE vulnerability CVE-2024-6387
CVE-2024-6387 "regreSSHion" is a signal handler race condition in OpenSSH's sshd enabling unauthenticated root RCE on glibc-based Linux systems.
What is Remote Code Execution (RCE)
RCE lets attackers run code on your systems remotely, often without login. Learn how it works, real CVE examples, and how to detect it before exploitation.
What is Insecure Deserialization
Insecure deserialization (CWE-502) lets attackers turn untrusted object data into remote code execution. Here's how the attack works and how to stop it.