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Microsoft Patch Tuesday for May 2023 fixed 2 zero
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Shared Hosting at Risk: LiteSpeed Enterprise Bug Can Grant Root from a Single Tenant
Critical LiteSpeed Web Server Enterprise flaw (pre-6.3.7) lets a low-privilege shared-hosting tenant escape CageFS isolation and gain root; forced update urged.
cPanel warned that a critical privilege-escalation vulnerability in LiteSpeed Web Server Enterprise (fixed in 6.3.7) lets a malicious low-privilege website user bypass account isolation controls including CloudLinux CageFS and gain root on shared-hosting servers, enabling cross-tenant compromise. No CVE, severity rating, or technical details have been published, and it is unclear whether the flaw is being exploited. This is the third root-level LiteSpeed escape on cPanel servers since May, following CVE-2026-48172 and CVE-2026-54420, which were actively exploited and added to CISA's KEV catalog.
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Dutch NCSC Warns: Critical Check Point VPN Flaws Put Networks at Risk
Dutch NCSC warns two CVSS 9.8 Check Point VPN flaws enable unauthenticated RCE; patch and restrict access before exploitation begins.
The Dutch NCSC warns that CVE-2026-85102, a security-check bypass in the VPN negotiation process, and CVE-2026-85103, a heap overflow in the certificate ASN.1 decoder, both carry a CVSS score of 9.8 and allow unauthenticated remote code execution on Check Point Security Gateways and Security Management Servers. Check Point fixed the flaws on September 9 via advisories sk1000117 and sk1000118, covering R81.20, R82, R82.10, R81.10.x, R82.00.x plus end-of-support versions R80 through R81.10; R82.20 is unaffected. No public proof-of-concept exists, but the NCSC rates exploitation likelihood as high and recommends patching immediately via LivePatch Take 24 or Jumbo Hotfix and restricting VPN access to trusted IPs.
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Microsoft’s Biggest Patch Tuesday: 974 CVEs, 2 Zero-Days and 20 Wormable Bugs
Microsoft's record September 2026 Patch Tuesday fixes 974 CVEs, including two exploited Windows privilege-escalation zero-days and 20 wormable bugs.
Microsoft's September 2026 Patch Tuesday fixes a record 974 CVEs, including two actively exploited zero-days: CVE-2026-85880, an ALPC heap buffer overflow, and CVE-2026-81963 in the Windows Update Stack, both CVSS 7.8 local privilege escalations. It also addresses an unauthenticated Exchange RCE (CVE-2026-55007) triggered by Visio attachment content indexing under memory pressure, an RDP use-after-free (CVE-2026-69525, CVSS 9.8), and 20 wormable flaws in DNS, DHCP, SMB, Active Directory, and other components. ZDI attributed the rising volume partly to AI-assisted vulnerability discovery, noting no corresponding spike in active exploits yet.
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