PatchDay Alert @patchdayalert
Daily CVE triage & patch urgency for sysadmins | Exploited-in-wild first | Weekday digests → https://t.co/YhFnIQhJfS patchdayalert.com Joined May 2026-
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Sysadmins out there, what did you automate this week?
Cisco's management plane keeps bleeding. Hardcoded credentials, unauthenticated RCEs across Smart Licensing, ISE, IOS XE, SD-WAN Manager, Unified Comms. The pattern's worth watching. patchdayalert.com/blog/cisco-202…
CISA just added a 2008 worm bug to the KEV catalog. MS08-067 (Conficker era) is back on the exploitation radar. If you're still patching Windows XP somewhere, tonight's the night. patchdayalert.com/blog/cisa-conf…
Check Point zero-day: unauthenticated file read on your VPN gateway. Attackers grabbed password hashes and ntds.dit. Patching stops future attacks but doesn't recover stolen AD. CISA KEV list. What you need to know. patchdayalert.com/blog/checkpoin…
Apple, Chrome, Android zero-days are mostly spyware targeting specific people, not your org. The defense is boring: keep auto-update on. We break down what's actually your problem. patchdayalert.com/blog/browser-m…
CVE-2019-0708 scared Microsoft so badly they patched Windows XP. A wormable RDP bug with no auth required. This is the story behind BlueKeep and why your RDP shouldn't face the internet. patchdayalert.com/blog/bluekeep-…
CVE-2023-46604 is a 10/10 RCE in ActiveMQ. Here's the problem: the exploit doesn't touch port 443. It hits port 61616, the message broker port. Most web firewalls never see it coming. patchdayalert.com/blog/activemq-…
Cl0p didn't invent mass data theft and extortion overnight. They perfected it on Accellion FTA in late 2020, hitting dozens of orgs before moving to MOVEit and GoAnywhere. The playbook started here. patchdayalert.com/blog/accellion…
Bad Intune push: contain before you undo. Removing a USB-block policy doesn't unblock ports (tattooing). Removing a Wi-Fi profile takes Wi-Fi off the device. The wrong lever turns a config mistake into a fleet reimage. patchdayalert.com/blog/recover-b…
DORA: only 19% of teams hit elite change-failure rates. VulnCheck: 23.6% of 2024 KEV CVEs were exploited on disclosure day. Both costs are real. The maintenance-window question is a separate calculation from triage. patchdayalert.com/blog/breaking-…
5% of 50 endpoints is 2.5 machines. That's the canary ring most SMB IT leads inherit from enterprise patch docs. At 50-500 endpoints, percentages stop translating. What survives is the role each ring plays. patchdayalert.com/blog/patch-rin…
CVE-2026-44578 is a CVSS 8.6 SSRF in self-hosted Next.js. If you're on 13.x or 14.x, there's no backport. The fix is a major-version migration to 15.x or 16.x, filed against your product team as a Dependabot chore. patchdayalert.com/blog/nextjs-cv…
CVE-2026-45185 (Dead.Letter): pre-auth Exim RCE in GnuTLS-linked builds. Debian and Ubuntu only. RHEL/SUSE/Fedora ship OpenSSL, not affected. The chunking_advertise_hosts workaround circulating does not close it. patchdayalert.com/blog/exim-cve-…
On May 11, attackers published 84 malicious @TansTack/* packages to npm with valid SLSA provenance and Sigstore attestations. Signatures were real. Builds were real. The attacker was just running inside them. patchdayalert.com/blog/tanstack-…
CVE-2026-3055 is the third pre-auth memory disclosure in NetScaler's auth stack in 30 months. All three reached CVSS 9.3+. All three mass-exploited within weeks. Citrix calls them unrelated. The endpoints say otherwise. patchdayalert.com/blog/citrix-ne…
KB5089549 dies at 35% with 0x800f0922 on Windows 11 24H2/25H2. Cause: under 10 MB free in the EFI System Partition. Legacy 100 MB ESPs on pre-2018 OEMs are most exposed. KIR is rolling; WSUS fleets need the GPO MSI. patchdayalert.com/blog/kb5089549…
@troyhunt The Instructure wording is wild. “Reached an agreement” sounds like a contract negotiation, not paying an extortion crew and hoping they really deleted the data. That kind of language makes ransom payments feel way more normal than they should.
@BleepinComputer No single patch. Block the IOCs, hunt Script Editor-to-shell behavior, remove the fake Google LaunchAgent, rotate credentials, and reimage any confirmed host.
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