CVE-2026-72940(microsoft / windows_11_23h2)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • windows_11_23h2
  • windows_11_24h2
  • windows_11_25h2
  • windows_11_26h1

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Affected systems

Vendors
Products
windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2022windows_server_2025

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-22: 109-22
Referenced assets1 URL
By indicator
Full discourse1 post
  • PJ@Npj8448

    🚨 New CVEs alert: Linux KVM flaw (CVE-2026-89775) and Windows Schannel vulnerability (CVE-2026-72940) could allow code execution and host escape. Patch now and monitor DAO governance proposals for malicious activity #CyberSecurity #CVE https://pranithjain.qzz.io/threatintel/telegram?tab=firehose

    0000057
    74 followersView on X
CPE platform detail10 entries

10 of 10 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_11_23h2--arm64
OSmicrosoftwindows_11_23h2--x64
OSmicrosoftwindows_11_24h2--arm64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--arm64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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