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CVE-2026-32091Patch(microsoft / windows_10_1607)

LOWCVSS 7.0 · HIGH

Signal is active with 1 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

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-362CWE-416

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_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

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_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2016windows_server_2019

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-14: 1Mentions · 2026-04-15: 1Patch / Workaround · 2026-04-14: 1Technical Details · 2026-04-14: 1Technical Details · 2026-04-15: 104-1404-15
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-141
Patch1
2026-04-151
Disclosure1
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-32091 Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elev… https://www.cve.org/CVERecord?id=CVE-2026-32091

    Post summary

    The post merely announces CVE‑2026‑32091, giving a brief technical description of a race condition that could lead to privilege escalation, with no indications of PoC, exploit, patch, or active attack.

    00000124
    57.2K followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 CVE-2026-32091 is Microsoft doing “local admin? nah, brokering says hi.” File-system boundary breaks mean normal users become SYSTEM—so patch fast. Your PC isn’t a vault. https://windowsforum.com/threads/cve-2026-32091-windows-brokering-file-system-lpe-patch-and-prioritize.413065/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #BrokeringFileSystem #LocalPrivilegeEscalation #WindowsVulnerability https://t.co/qNgRX2zQ6g

    Post summary

    The message announces CVE-2026-32091—a Windows file‑system boundary flaw that can give local users SYSTEM privileges—and urges users to apply patches promptly.

    0000036
    1.1K followersView on X
CPE platform detail23 entries

23 of 23 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_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_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2022_23h2---
OSmicrosoftwindows_server_2025---

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