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Daily threat intelligence and vulnerability analysis from our security team. We publish expert breakdowns of critical CVEs, active exploits, and emerging attack campaigns as they happen.

Our analysts monitor vendor advisories, CISA alerts, and underground threat activity to give you actionable guidance you can use the same day. Filter by severity below to find what matters most to your environment.

Updated September 11, 2026 — all 201 published advisories are browsable here. The newest one is on the appliance that is supposed to be doing the protecting: a Cisco firewall management flaw under active attack and added to CISA's known-exploited list, on the console that controls the firewalls guarding the whole network (CVE-2026-20079). Behind it, a Chrome zero-day exploited in the wild, where simply visiting a booby-trapped site is enough to get code running on the machine (CVE-2026-87491), and a FreeIPA flaw that hands full administrator rights to anyone who connects without a password, on the directory server that decides who gets into everything else (CVE-2026-76578). The one readers keep coming back to is the Magento and Adobe Commerce zero-day being exploited against live online stores with no vendor patch available (StyleSmuggler). Every one of these sits on a device or service that faces the internet, so the clock starts the day the advisory drops — and a missed patch window is what turns a routine Tuesday into downtime, a breach-notification bill, and lost revenue. If you are not sure whether yours is patched, our 24/7 staffed security operations center handles the triage for you.

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72 articles found
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CVE-2026-20245
high
Jun 6, 2026
highCVE AdvisoryVulnerability

HIGH: Cisco Catalyst SD-WAN Manager Zero-Day Under Active Exploitation, No Patch Available (CVE-2026-20245)

Cisco confirmed active exploitation of CVE-2026-20245, an unpatched command injection flaw in Catalyst SD-WAN Manager that lets authenticated attackers escalate to root and push malicious configurations to edge devices. The CVSS 7.8 bug is the seventh exploited SD-WAN zero-day since 2023 and chains with two prior auth bypass vulnerabilities to enable full remote takeover. No patch is available.

By Danny MercerRead Full Article
CVE-2026-49975
high
CVE AdvisoryVulnerabilityCVE-2026-49975 Jun 3, 2026

HIGH: HTTP/2 Bomb Vulnerability Lets a Home Connection Flatten NGINX, Apache, IIS, Envoy, and Cloudflare Pingora

A newly disclosed HTTP/2 vulnerability dubbed HTTP/2 Bomb lets a single client on a residential connection exhaust 32 gigabytes of server memory in under twenty seconds. The flaw, tracked as CVE-2026-49975 for Apache httpd, affects NGINX, Apache, Microsoft IIS, Envoy, and Cloudflare Pingora. NGINX and Apache shipped fixes. IIS, Envoy, and Pingora remain unpatched as of public disclosure on June 2, 2026.

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CVE-2026-0257
high
CVE AdvisoryVulnerabilityCVE-2026-0257 May 31, 2026

HIGH: Palo Alto GlobalProtect Auth Bypass (CVE-2026-0257) Actively Exploited, Now on CISA KEV

A GlobalProtect authentication override flaw in PAN-OS lets unauthenticated attackers forge session cookies and walk into the VPN. Rapid7 observed two waves of in the wild exploitation in May, CISA added the bug to the KEV catalog on May 29 with a June 1 federal deadline, and Palo Alto Networks has confirmed active exploitation against unpatched devices.

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high
CVE AdvisoryVulnerabilityMay 28, 2026

HIGH: Iranian MuddyWater APT Hits Nine Countries With Signed-Binary DLL Side-Loading Through SentinelOne and Fortemedia

Symantec and Carbon Black detail a Q1 2026 MuddyWater espionage campaign that breached nine organisations across nine countries on four continents, abusing signed SentinelOne and Fortemedia binaries for DLL side-loading and deploying ChromElevator, a Node.js implant, and the FileFiend exfiltration tool. The Iranian MOIS-linked group is moving toward quieter, more disciplined operations.

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CVE-2026-9082
high
CVE AdvisoryVulnerabilityCVE-2026-9082 May 23, 2026

HIGH: Drupal Core SQL Injection CVE-2026-9082 Hits CISA KEV Days After Disclosure

Drupal disclosed SA-CORE-2026-004 (CVE-2026-9082), a Highly Critical SQL injection in the core database abstraction API that lets unauthenticated attackers escalate privileges and reach remote code execution on PostgreSQL-backed sites. Imperva is tracking 15,000+ attack attempts against nearly 6,000 sites across 65 countries. CISA added the bug to KEV on May 22 with a federal patch deadline of May 27, 2026.

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CVE-2026-41091
high
CVE AdvisoryVulnerabilityCVE-2026-41091 May 21, 2026

HIGH: Microsoft Defender Burns Again as Two New Zero-Days Hit Active Exploitation

Microsoft confirmed on May 21 that CVE-2026-41091, a CVSS 7.8 link-following privilege escalation in the Microsoft Malware Protection Engine, and CVE-2026-45498, a denial-of-service flaw in the Defender Antimalware Platform, are both under active exploitation. CISA added both to the KEV catalog with a June 3 federal remediation deadline. Defender engine version 1.1.26040.8 and Antimalware Platform 4.18.26040.7 contain the fixes and ship automatically through definition updates.

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CVE-2026-45585
high
CVE AdvisoryVulnerabilityCVE-2026-45585 May 20, 2026

HIGH: Microsoft Ships Mitigation for YellowKey BitLocker Bypass Zero-Day (CVE-2026-45585)

Microsoft published mitigation guidance for CVE-2026-45585, the YellowKey BitLocker bypass zero-day publicly disclosed by researcher Chaotic Eclipse last week. The flaw lives in the FsTx Auto Recovery Utility inside Windows Recovery Environment and lets anyone with physical access and a USB stick spawn an unrestricted shell with the BitLocker-protected volume already mounted. Windows 11 24H2, 25H2, 26H1 and Windows Server 2025 are affected.

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CVE-2026-42897
high
CVE AdvisoryVulnerabilityCVE-2026-42897 May 16, 2026

HIGH: Microsoft Exchange Server XSS Flaw CVE-2026-42897 Under Active Attack

Microsoft Exchange Server CVE-2026-42897 is a cross-site scripting flaw in Outlook Web Access that lets a crafted email execute JavaScript in the victim OWA session. CISA added it to the Known Exploited Vulnerabilities catalog on May 15, 2026 after confirmed in-the-wild exploitation, with a May 29 federal mitigation deadline. Exchange Server 2016, 2019, and Subscription Edition are affected. Exchange Online is not. Microsoft scored it CVSS 8.1, and patches shipped in the May 2026 security update.

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CVE-2026-6973
high
CVE AdvisoryVulnerabilityCVE-2026-6973 May 11, 2026

HIGH: Ivanti EPMM CVE-2026-6973 Under Active Exploitation, CISA Mandates 3-Day Federal Patch Deadline

Ivanti has confirmed in-the-wild exploitation of CVE-2026-6973, an authenticated remote code execution flaw in on-premises Endpoint Manager Mobile rated CVSS 7.2. CISA added the bug to its Known Exploited Vulnerabilities catalog on May 7 and gave federal agencies until May 10, 2026 to remediate. The exploitation pattern strongly suggests reuse of admin credentials harvested during the unauthenticated EPMM compromises disclosed in January 2026.

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high
CVE AdvisoryVulnerabilityMay 9, 2026

Zara Joins the Anodot Casualty List as ShinyHunters Cashes In on Third-Party Trust

Inditex confirmed roughly 197,000 Zara customer records were exposed via Anodot, an Israeli AI analytics platform compromised by ShinyHunters. The crew used stolen authentication tokens to pivot into BigQuery instances of multiple downstream customers, hauling out 140GB from Zara alone. Email addresses, order IDs, SKUs, and support tickets leaked, but no payment data or passwords. The supply-chain pattern mirrors the 2024 Snowflake campaign.

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CVE-2026-43284
high
CVE AdvisoryVulnerabilityCVE-2026-43284 May 9, 2026

HIGH: 'Dirty Frag' Linux Kernel Bugs Hand Locals Root, One Half Already Patched, RxRPC Half Still Open (CVE-2026-43284, CVE-2026-43500)

Two Linux kernel page-cache write bugs collectively named Dirty Frag let any unprivileged local user pop a root shell in one command. CVE-2026-43284 in xfrm-ESP was patched May 8. CVE-2026-43500 in RxRPC is still unpatched. Microsoft has already seen active exploitation in the wild and a public proof-of-concept is on GitHub.

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CVE-2026-23918
high
CVE AdvisoryVulnerabilityCVE-2026-23918 May 7, 2026

HIGH: Apache HTTP/2 Double-Free (CVE-2026-23918) Lets Two Frames DoS Your Web Server, RCE Already Demoed

Apache HTTP Server 2.4.66 ships a double-free in mod_http2 that crashes worker processes with two HTTP/2 frames and no authentication. CVSS 8.8, DoS exploitation already in the wild, and a public PoC chain converts the bug to remote code execution on default Debian and Docker builds. The fix is in 2.4.67, released May 4.

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CVE-2024-1708
high
CVE AdvisoryVulnerabilityCVE-2024-1708 Apr 29, 2026

HIGH: Storm-1175 Chains ConnectWise ScreenConnect Bugs to Drop Medusa Ransomware (CVE-2024-1708)

CISA added the two-year-old ConnectWise ScreenConnect path traversal flaw CVE-2024-1708 to its Known Exploited Vulnerabilities catalog on April 28, 2026, after China-aligned Storm-1175 was caught chaining it with the SlashAndGrab auth bypass CVE-2024-1709 to deploy Medusa ransomware through compromised MSP infrastructure. Federal agencies have until May 12 to remediate.

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CVE-2026-32202
high
CVE AdvisoryVulnerabilityCVE-2026-32202 Apr 28, 2026

HIGH: APT28 Exploits Incomplete Windows Shell Patch for Zero-Click NTLM Theft (CVE-2026-32202)

Microsoft has confirmed active exploitation of CVE-2026-32202, a Windows Shell spoofing flaw that turns out to be an incomplete patch for an APT28 zero-day from earlier this year. The Russian GRU-linked group is using crafted LNK files to silently steal NTLM credentials with zero clicks, and the original April 14 advisory dramatically understated the severity until Microsoft corrected it on April 27.

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high
CVE AdvisoryVulnerabilityApr 27, 2026

HIGH: Bitwarden CLI Hit by Shai-Hulud Third Coming Worm in Checkmarx Supply Chain Cascade

A poisoned build of @bitwarden/cli version 2026.4.0 lived on the npm registry for roughly ninety minutes on April 22, 2026, infecting around 334 developer machines with the third generation of the Shai-Hulud worm. The attack chained off the prior compromise of the checkmarx/ast-github-action GitHub Action, harvested cloud credentials, GitHub and npm tokens, and AI coding tool configs, then self-propagated by injecting malicious workflows into accessible repositories.

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Is Your Mobile App Secure?

Our CyberOne MobileAssess platform performs deep static analysis, source code decompilation, and runtime security testing for iOS and Android apps. From one-time assessments to year-long continuous testing, we find what surface-level scanners miss.

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