Microsoft Exchange Zero-Day Under Attack, No Patch Available
CVE-2026-42897 stems from a cross-site scripting (XSS) vulnerability and can allow an attacker to compromise Outlook Web Access (OWA) mailboxes.
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CVE-2026-42897 stems from a cross-site scripting (XSS) vulnerability and can allow an attacker to compromise Outlook Web Access (OWA) mailboxes.
The critical remote code execution flaw (CVE-2026-1731) in the remote monitoring and management tool can be exploited to spread ransomware and compromise supply chains.
The authentication bypass flaw, tracked as CVE-2026-35616, is the latest in a series of Fortinet vulnerabilities that have been exploited in the wild.
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.
The exploitation activity against CVE-2026-21385, a high-severity memory corruption flaw, could be tied to commercial spyware or nation-state threat groups.
The maximum-severity vulnerability CVE-2026-20127 was exploited by an unknown but sophisticated threat actor who left very little evidence behind.
CVE-2026-2329 allows unauthenticated root-level access to SMB phone infrastructure, so attackers can intercept calls, commit toll fraud, and impersonate users.
Mass scanning is underway for CVE-2026-20045, which Cisco tagged as critical because successful exploitation could lead to a complete system takeover.
CVE-2025-64155, a command injection vulnerability, was disclosed earlier this week and quickly came under attack from a variety of IP addresses.
Exploitation of CVE-2025-37164 can enable remote code execution on HPE's IT infrastructure management platform, leading to devastating consequences.
As exploitation activity against CVE-2025-55182 ramps up, researchers are finding some proof-of-concept exploits contain bypasses for web application firewall (WAF) rules.
Attacks against CVE-2025-55182, which began almost immediately after public disclosure last week, have increased as more threat actors take advantage of the flaw.
The exploitation of CVE-2025-61757 follows a breach of Oracle Cloud earlier this year as well as a recent extortion campaign targeting Oracle E-Business Suite customers.
The same APT hammered critical bugs in Citrix NetScaler (CVE-2025-5777) and the Cisco Identity Service Engine (CVE-2025-20337) in a sign of growing adversary interest in identity and access management systems.
A critical security issue in a popular endpoint manager (CVE-2025-61932) allowed Chinese state-sponsored attackers to backdoor Japanese businesses.
CVE-2025-54603 gave attackers an opening to disrupt critical operational technology (OT) environments and steal data from them.
Numerous organizations have been attacked via Oracle EBS zero-day CVE-2025-61882, and evidence suggests more like Schneider Electric could be on that list.
Microsoft initially fixed CVE-2025-59287 in the WSUS update mechanism in the October 2025 Patch Tuesday release, but the company has now issued a second, out-of-band update for the flaw, which is under attack in the wild.
CVE-2025-54236 is a critical flaw in Adobe Commerce (formerly Magento) that allows attackers to remotely take over sessions on the e-commerce platform.