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CVE-2026-32181Patch(microsoft / windows_10_21h2)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_21h2 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper privilege management in Microsoft Windows allows an authorized attacker to deny service locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-269

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • windows_10_21h2
  • windows_10_22h2
  • windows_11_23h2
  • windows_11_24h2

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-14); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2022windows_server_2022_23h2windows_server_2025

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-14: 1Mentions · 2026-04-17: 1Patch / Workaround · 2026-04-14: 1Technical Details · 2026-04-14: 1Technical Details · 2026-04-17: 104-1404-17
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-141
Patch1
2026-04-171
Disclosure1
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-32181 Improper privilege management in Microsoft Windows allows an authorized attacker to deny service locally. https://www.cve.org/CVERecord?id=CVE-2026-32181

    Post summary

    The post identifies CVE-2026-32181 as an improper privilege management flaw that permits an authorized attacker to cause local denial of service on Windows, without mentioning exploits, patches, or proof of concept.

    00000103
    57.2K followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 Telemetry Service DoS (CVE-2026-32181) is peak Microsoft: “we need connected experiences” -> also “please apply the patch fast.” Windows: keep you online, then drop the beat. https://windowsforum.com/threads/cve-2026-32181-dos-in-windows-telemetry-service-patch-and-validate-now.412840/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PatchTuesday #Cve202632181 #TelemetryService https://t.co/8qNaO5Xhb0

    Post summary

    The thread announces a denial‑of‑service flaw in Windows Telemetry Service (CVE‑2026‑32181) and strongly recommends applying the vendor patch immediately.

    0000037
    1.1K followersView on X
CPE platform detail17 entries

17 of 17 entries

PartVendorProductVersionTarget SWTarget HW
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_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_2022_23h2---
OSmicrosoftwindows_server_2025---

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