Vulnerabilities are flaws attackers can exploit to access systems or data; timely patching, isolation, and least privilege reduce the impact.
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Background for this topic.
A vulnerability is a weakness in a system’s design, code, configuration, or operating process that could allow an attacker to violate a security requirement. It may affect software, hardware, networks, cloud services, or exposed interfaces, and is not automatically exploitable: practical risk depends on factors such as exposure, required privileges, available attack paths, and existing controls. Outcomes can include unauthorized access, information disclosure, code execution, or disruption of service.
Effective vulnerability management combines accurate asset inventory with code review, security testing, scanning, and trusted vulnerability intelligence. Organizations should prioritize weaknesses affecting reachable, business-critical systems—especially when exploitation is known or requires little access—then patch or otherwise mitigate them and verify the fix. Where patching is delayed, controls such as disabling an exposed feature, restricting network access, or strengthening authentication can reduce the attack surface. Records should preserve affected versions, risk decisions, remediation owners, and validation results.
Security firm runZero has disclosed seven vulnerabilities in FatFs, a small filesystem library that lets a device read and write the FAT and exFAT formats used on USB drives and SD cards
Threat actors associated with the Anubis ransomware operation have been observed exploiting the Citrix Bleed 2 (CVE-2025-5777) vulnerability to obtain initial access
Attackers need little more than a valid SharePoint account to execute code on vulnerable on-prem servers
Infosecurity spoke with the researcher who dumped over 30 proof-of-concept exploits without disclosing the vulnerabilities first
Cisco confirmed that attackers are now exploiting a Unified Communications Manager (Unified CM) vulnerability patched in early June. [...]
Attackers are hiding a data-stealing trojan inside fake exploit code aimed at the people who hunt bugs for a living. The malware, called ChocoPoC, travels in Python proof-of-concept (PoC) repositories on GitHub that claim to exploit hot new CVEs
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a high-severity flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation
The defect impacts a popular collection of business applications that attackers have hit before in widespread attack sprees. The post Researchers spot exploitation of another critical Oracle defect appeared first on CyberScoop.
Adobe has released patches for multiple maximum-severity security flaws impacting Adobe ColdFusion and Adobe Campaign Classic
CISA confirms BlueHammer (CVE-2026-33825) is now used in ransomware attacks to gain SYSTEM privileges through Microsoft Defender. BlueHammer, tracked as CVE-2026-33825, has moved from proof-of-concept noise to real ransomware attacks in the wild, the US CISA confirms. BlueHammer allows attackers to escalate privileges locally in Microsoft Defender. The vulnerability, along with two other zero-days dubbed […]
Researchers found a shell injection flaw in 10 of 11 popular open-source AI agents, allowing attackers to bypass command filters. Adversa AI just published a survey, titled “GuardFall: a universal shell injection vulnerability in open-source AI agents,” of eleven open-source AI coding and computer-use agents, and the headline finding is uncomfortable: ten of them leave […]
Adobe has released security patches for seven maximum-severity vulnerabilities in the ColdFusion web app development platform and the Campaign Classic marketing automation platform. [...]
Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a SimpleHelp flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a SimpleHelp flaw, tracked as CVE-2026-48558 (CVSS score v3.1 of 10.0), to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-48558 is a critical authentication bypass vulnerability in SimpleHelp versions 5.5.15 and earlier and […]
Threat actors are continuing to exploit a critical Langflow vulnerability as part of fresh attacks designed to deliver a Monero cryptocurrency miner
Attackers exploited a critical SimpleHelp RMM bug to deploy TaskWeaver and Djinn Stealer malware
Apple released updates for iOS, iPadOS, macOS, and Safari, fixing WebKit flaws, four of which were found using AI tools like Claude and Codex Apple pushed out security updates for iOS, iPadOS, macOS, and Safari on Monday, and this round comes with a twist worth noticing. Four of the WebKit vulnerabilities patched were found using […]
An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer
Attackers are exploiting a critical flaw in Oracle E-Business Suite, CVE-2026-46817, that allows remote, unauthenticated attackers to take over Oracle Payments. A critical vulnerability in Oracle E-Business Suite, tracked as CVE-2026-46817, is being actively exploited in the wild, according to cybersecurity firm Defused Cyber. “CVE-2026-46817 (CVSS 9.8 unauth HTTP takeover in Oracle E-Business) is being […]
CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks. [...]