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CISA-maintained list of vulnerabilities confirmed exploited in the wild; inclusion triggers binding federal remediation deadlines.
The FBI and six other governments said on October 8 that hackers tied to Integrity Technology Group run a portal giving third parties access to stolen email. The firm, sanctioned by the US and UK, denies the accusations.
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CISA added Apple's CoreGraphics zero-day CVE-2026-86950 to its KEV catalog, giving federal agencies until October 2, 2026 to patch. Only federal civilian agencies are bound by that date. Every other Apple fleet sets its own deadline for a bug Apple links to targeted attacks.
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CVE-2026-65660, an exploited SharePoint Server code injection flaw rated 8.8, lets any user with a low-privilege login run code on the farm. Farms that admit vendors and contractors need to count who can sign in, alongside what faces the internet.
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CISA says CVE-2026-72529 and CVE-2026-72530 are under active exploitation. For federal civilian agencies, patching an exposed instance is only half of the obligation.
Perspective Coverage
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CERT Polska's breakdown of the September RouterOS compromises names two bugs, CVE-2026-67279 and CVE-2026-86060, and the forum logs that match the chain start on September 2, a day before MikroTik shipped fixes.
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Rapid7's research with Zimbra turned up more than 50 vulnerabilities, several of which let an attacker send mail as another user with no password involved. The operational item today is CVE-2026-73570, the SNMP command injection CISA gave federal agencies three days to fix.
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Check Point says a handful of its customers have already been attacked through the Security Management Server, and F5 confirmed exploitation of BIG-IP APM when it disclosed the bug on September 22.
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Eclypsium tracked 158 infrastructure advisories between August 25 and September 17. The exploited maximum-severity flaws it highlights are authentication bypasses in Cisco's Firewall Management Center and Identity Services Engine.
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CISA has confirmed exploitation of three Linux kernel flaws without publishing how, and the three entries do not triage the same way, because Red Hat's interim advice covers kTLS and ebtables but not the AF_ALG race.
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CISA's exploited-vulnerability catalog now holds entries for LiteLLM, Kestra and Starlette, according to a dev.to writeup, and the quickstart docs for those tools still keep provider API keys in the process environment an attacker reads first.
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Cisco Talos says three separate clusters, one sharing tooling with Sandworm, worked the same CVSS 10.0 bypass in Secure Firewall Management Center. The scope change in that vector reaches every firewall the console manages.
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The directive issued June 10, 2026 keeps the KEV catalog's three inclusion criteria and folds federal remediation deadlines into a wider patching timeline. Any policy that cites BOD 22-01 now names a superseded authority.
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The fix for CVE-2026-85706 shipped on 10 September in 19.3.2, 19.2.6 and 19.1.8, and CISA listed the flaw as exploited the next day. A ZoomEye fingerprint count of 1,262,273 hosts does not report versions; it shows where to look.
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BOD 26-04 revoked the federal CVSS requirement on June 10. The two decision fields CISA promised, automatability and technical impact, go out through Vulnrichment; the KEV feed does not carry them, so every defender does the join.
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The bypass needs no credential, and exploitation followed JFrog's 28 August disclosure by three days. ZoomEye's fingerprint puts 17,874 Artifactory services on the internet, though only self-hosted instances on affected versions are in scope.
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Fortinet switched off FortiCloud SSO worldwide on January 26 and turned it back on the next day with server-side changes. Devices already fully patched against the two 2025 SAML bypasses were compromised anyway.
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The bug lets files be pushed and executed through a remote session the host already approved, and CISA says attackers are doing it now. It is ScreenConnect's fourth entry on the KEV catalog since 2024.
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CVE-2026-76461 was in use before Monday's advisory and Cisco says multiple customers were likely compromised first, so a gateway patched this week still needs a hunt against indicators that root access can erase.
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The bypass is a suffix match inside Kestra's AuthenticationFilter, and the vendor fix pins the check to /api/v1/configs exactly. The two ZoomEye queries that count exposed instances disagree by nearly a factor of two.
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The industry is still shipping the defect classes CISA has flagged for years. The case that AI coding assistants will multiply them comes from two named practitioners, not from the agency's own data.
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Security · September 12, 2026 · One report1 publisher
Security · September 10, 2026 · Confirmed2 publishers
Security · September 3, 2026 · Confirmed3 publishers