Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
The threat actor known as EncryptHub is continuing to exploit a now-patched security flaw impacting Microsoft Windows to deliver malicious payloads
Recent advisories from U.S. federal authorities on vulnerabilities in certain operational technology devices underscore the potential security risks that many healthcare providers frequently underestimate, said Sila Özeren, a security research engineer at Picus Security.
Cisco is warning about a critical remote code execution (RCE) vulnerability in the RADIUS subsystem of its Secure Firewall Management Center (FMC) software. [...]
Cisco has issued a software update to address the vulnerability, which can allow an unauthenticated, remote attacker to inject arbitrary shell commands
Cisco has released security updates to address a maximum-severity security flaw in Secure Firewall Management Center (FMC) Software that could allow an attacker to execute arbitrary code on affected systems
Microsoft Urges Immediate Mitigation as State Actors Target SharePoint FlawHackers breached a sensitive database containing office locations and personal details of elected officials and staff in Canada's House of Commons. Hackers were able to "exploit a recent Microsoft vulnerability," according to an internal email sent to members and staff.
Researchers had to notify over 100 vendors of flaw that builds on 2023's Rapid Reset with neat twist past usual mitigations Security researchers Gal Bar Nahum, Anat Bremler-Barr, and Yaniv Harel have published details of a "common design flaw" in implementations of the HyperText Transfer Protocol 2 (HTTP/2) allowing those with ill intent to create "massive Denial of Service attacks".…
A flaw in KernelSU 0.5.7 allows attackers to impersonate its manager app and gain root access to Android devices
CISA warned on Wednesday that attackers are actively exploiting two security vulnerabilities in N‑able's N-central remote monitoring and management (RMM) platform. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added two security flaws impacting N-able N-central to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. N-able N-central is a Remote Monitoring and Management (RMM) platform designed for Managed Service Providers (MSPs), allowing customers to efficiently manage and secure
The company disclosed a critical FortiSIEM flaw with a PoC exploit for it the same week researchers warned of an ominous surge in malicious traffic targeting the vendor's SSL VPNs.
Fortinet is warning about a remote unauthenticated command injection flaw in FortiSIEM that has in-the-wild exploit code, making it critical for admins to apply the latest security updates. [...]
If there's smoke? Fortinet warned customers about a critical FortiSIEM bug that could allow an unauthenticated attacker to execute unauthorized commands, and said working exploit code for the flaw has been found in the wild.…
Philippe Laulheret of Cisco Talos on Vulnerabilities in ControlVault FirmwareSecurity flaws in Dell's ControlVault firmware allowed attackers to run code on the chip, extract stored secrets and alter its behavior. By chaining these exploits, they could send malicious data to Windows components, said Philippe Laulheret, senior vulnerability researcher at Cisco Talos.
Researchers observed exploitation attempts against a vulnerability with a CVSS score of 10 in a popular Erlang-based platform for critical infrastructure and OT development.
Zoom and Xerox have addressed critical security flaws in Zoom Clients for Windows and FreeFlow Core that could allow privilege escalation and remote code execution. The vulnerability impacting Zoom Clients for Windows, tracked as CVE-2025-49457 (CVSS score: 9.6), relates to a case of an untrusted search path that could pave the way for privilege escalation
Fortinet is alerting customers of a critical security flaw in FortiSIEM for which it said there exists an exploit in the wild
Foundation warns federated servers face biggest risk, but single-instance users can take their time The maintainers of the federated secure chat protocol Matrix are warning users of a pair of "high severity protocol vulnerabilities," addressed in the latest version, saying patching them requires a breaking change in servers and clients.…
Microsoft on Tuesday rolled out fixes for a massive set of 111 security flaws across its software portfolio, including one flaw that has been disclosed as publicly known at the time of the release
None under active exploit…yet Microsoft’s August Patch Tuesday flaw-fixing festival addresses 111 problems in its products, a dozen of which are deemed critical, and one moderate-severity flaw that is listed as being publicly known.…