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CVE-2026-57089General(microsoft / windows_10_1607)

LOWCVSS 9.8 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_1607 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-416

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_10_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016windows_server_2019

2 versions affected across 12 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-15: 2Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 107-15
Signal classification2 categories
General
150.0%
Patch
150.0%
Referenced assets2 URLs
Full discourse2 posts
  • Windows Forum@windowsforum
    Patch

    🪟 SMB remote-code execution is back reminding admins that “internal network” isn’t a security strategy. Patch CVE-2026-57089 now—your file shares don’t need to become attacker launchpads. https://windowsforum.com/threads/cve-2026-57089-patch-windows-smb-rce-with-july-2026-updates.438815/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #SmbServer #PatchTuesday #Cve202657089 https://t.co/JOXE0HRfBt

    Post summary

    The message emphasizes that SMB remote-code execution CVE‑2026‑57089 is a threat and urges administrators to apply the July 2026 patch to prevent potential attacks.

    0000040
    1.2K followersView on X
  • VulDB 🛡@vuldb
    General

    There is a new vulnerability with elevated criticality in Microsoft Windows (CVE-2026-57089) https://vuldb.com/vuln/378931

    Post summary

    The post announces a new critical Windows vulnerability (CVE-2026-57089) and links to a vulnerability database entry, but it contains no further details, PoC, exploit code, or patch information.

    00000110
    2.3K followersView on X
CPE platform detail22 entries

22 of 22 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_10_21h2--arm64
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_21h2--x86
OSmicrosoftwindows_10_22h2--arm64
OSmicrosoftwindows_10_22h2--x64
OSmicrosoftwindows_10_22h2--x86
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_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016--x64
OSmicrosoftwindows_server_2019--x64
OSmicrosoftwindows_server_2022--x64
OSmicrosoftwindows_server_2025--x64

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