Stay informed on the latest CVE entries. Explore critical vulnerabilities and exposures to safeguard your systems from cyber threats and attacks.
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Background for this topic.
CVE is a global system of standardized identifiers for publicly known cybersecurity vulnerabilities. Each record, typically written as CVE-YYYY-NNNN, gives a vulnerability a stable reference and usually includes a description, affected products or versions, and links to advisories or fixes. The CVE Program coordinates the assignment and publication of records through authorized organizations, allowing researchers, vendors, security tools, and defenders to discuss the same flaw without relying on different names.
Practitioners use CVE identifiers to match vulnerabilities across asset inventories, scanners, patch advisories, and threat-intelligence reports. A CVE is an identity, not a severity score or proof that a system is exploitable: prioritization should also consider the affected configuration, exposure, available mitigations, exploit activity, and business impact. Delays in identifying vulnerable versions can leave internet-facing services or embedded components exposed, while incomplete product-to-CVE mapping can cause missed remediation. Security teams should verify the affected versions and vendor guidance before patching or applying workarounds.
Zimbra is urging customers to apply updates to address a critical security vulnerability impacting the Classic Web Client that could result in arbitrary code execution
Zimbra addressed a critical stored XSS vulnerability in its Classic Web Client that lets malicious emails execute code when opened. Zimbra has released version 10.1.19 to fix a critical stored XSS vulnerability in its Classic Web Client, which is widely used to access Zimbra Collaboration. The flaw, which has not yet received a CVE ID, […]
NightmareEclipse Says Mitigation Can Exhaust Disk Space, Crash AppsMicrosoft's patch for CVE-2026-50656, known as RoguePlanet, has sparked fresh criticism after researcher NightmareEclipse alleged the mitigation can exhaust disk space, crash applications and leak memory, extending a months-long dispute over Microsoft's handling of multiple zero-day disclosures.
Microsoft fixed RoguePlanet (CVE-2026-50656), a Defender flaw allowing local attackers to gain higher privileges through the Malware Protection Engine. Microsoft released security updates for RoguePlanet, a vulnerability tracked as CVE-2026-50656 (CVSS score of 7.8) affecting the Malware Protection Engine used by Defender. The Microsoft Malware Protection Engine (mpengine.dll) powers Defender’s malware scanning, detection, and removal […]
Microsoft has released security updates for a Defender vulnerability known as RoguePlanet, nearly a month after details of the flaw became public
Ubiquiti patched seven UniFi OS flaws, including critical CVE-2026-50746, which allows command injection in UniFi Connect Application. Ubiquiti released security updates for seven critical UniFi OS vulnerabilities, including a maximum-severity flaw, tracked as CVE-2026-50746 (CVSS score of 10.0), enabling command injection attacks. The issue affects UniFi Connect Application versions 3.4.16 and earlier, a platform used […]
Ubiquiti has shipped updates to address multiple critical security flaws impacting UniFi Connect, UniFi Talk, UniFi Access, UniFi Protect, and UniFi OS that could result in privilege escalation and arbitrary command execution
Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation
Attackers are exploiting a critical Gitea flaw (CVE-2026-20896) that bypasses authentication with a single HTTP header, exposing repositories and sensitive data. Sysdig researchers warn that attackers are actively exploiting a critical authentication bypass flaw, tracked as CVE-2026-20896 (CVSS score of 9.8), which affects Gitea official Docker images before version 1.26.3. “CVE-2026-20896 exploited 13 days after […]
CERT/CC warns an unpatched backdoor in several Tenda routers lets attackers bypass login and gain full admin access with a hidden password. CERT/CC published an alert documenting an undocumented authentication backdoor in multiple Tenda firmware versions, tracked as CVE-2026-11405. The flaw gives anyone who knows the right password full administrative access to the device’s web […]
A suspected China-aligned threat activity cluster has been observed exploiting Roundcube webmail software belonging to physics and engineering departments of U.S. and Canadian universities as part of a new campaign
Several versions of firmware released by Chinese network device manufacturer Tenda have been found to embed an undocumented authentication backdoor that enables administrative access to the devices' web management interfaces, the CERT Coordination Center (CERT/CC) warned Monday
BeyondTrust has released updates to address two critical security flaws affecting Remote Support (RS) and Privileged Remote Access (PRA) products that, if successfully exploited, could allow unauthenticated attackers to take control of susceptible devices
Attackers are exploiting the critical Adobe ColdFusion flaw CVE-2026-48282, which allows remote code execution on unpatched servers. Attackers have started exploiting CVE-2026-48282, a maximum-severity vulnerability in Adobe ColdFusion. The flaw is a path traversal issue that could result in arbitrary code execution without authentication. It affects ColdFusion 2025.9, 2023.20, and earlier versions, allowing remote attackers […]
A use-after-free bug in Linux's KVM hypervisor can be triggered from a guest virtual machine to corrupt the shadow-page state of the host kernel that runs it
Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig
Attackers are now exploiting a maximum-severity Adobe ColdFusion vulnerability tracked as CVE-2026-48282, according to vulnerability intelligence company KEVIntel. [...]
Bad Epoll (CVE-2026-46242) lets local attackers gain root on Linux and Android. The flaw was missed by AI but found by a security researcher. A newly disclosed Linux kernel vulnerability, named Bad Epoll (CVE-2026-46242), allows a local attacker with no special privileges to gain full root access on affected Linux systems and Android devices. Security updates are […]
On July 2, 2026, CISA added CVE-2026-45659, a SharePoint Server RCE, to its Known Exploited Vulnerabilities catalog with a two-day patch deadline. Storm-2603 is using it to stage Warlock ransomware, living off the land the whole way. Here is why it matters, plus a free 12-rule Sigma pack to hunt it.