CVE-2026-33835General(microsoft / windows_10_1809)

LOWCVSS 7.8 · 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

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2
  • windows_11_23h2

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-05-13); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2019windows_server_2022windows_server_2022_23h2

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-13: 1Mentions · 2026-05-15: 1Technical Details · 2026-05-13: 1Technical Details · 2026-05-15: 105-1305-15
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-05-131
General1
2026-05-151
Disclosure1
Full discourse2 posts
  • kawn@kawn2020
    General

    #windowsupdate #microsoft ●悪用可能性 -悪用の事実を確認済み:0 件 -悪用される可能性が高い:13 件 ・CVE-2026-33835 7.8 Windows Cloud Files Mini Filter Driver ・CVE-2026-33837 7.8 Windows TCP/IP ・CVE-2026-33840 7.8 Windows Win32K: ICOMP つづく… https://x.com/kawn2020/status/2054357169261490453

    Post summary

    The tweet provides a brief assessment of CVE exploitation risk with CVSS scores and targets, but does not mention any PoC, exploit code, active attacks, patches, or false‑positive claims.

    1000098
    85 followersView on X
  • Israel@f1tym1
    Disclosure

    CVE-2026-33835 | Microsoft Windows up to Server 2025 Cloud Files Mini Filter Driver use after free (WID-SEC-2026-1489) https://ift.tt/HBdo96J A vulnerability described as critical has been identified in Microsoft Windows. This impacts an unknown function of the component Cloud…

    Post summary

    Microsoft Windows CVE-2026-33835, a critical use‑after‑free in the Cloud Files Mini Filter Driver, has been disclosed; no PoC, exploit, or patch information is provided.

    0000052
    974 followersView on X
CPE platform detail20 entries

20 of 20 entries

PartVendorProductVersionTarget SWTarget HW
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_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2022_23h2---
OSmicrosoftwindows_server_2025---

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