CVE-2026-45641General(microsoft / windows_10_21h2)

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

Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-843CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

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

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2022windows_server_2025

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-04: 107-04
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • IntegSec@integ_sec
    General

    CVE-2026-45641: Windows Hyper-V Out-of-Bounds Read Bug - What It Means for Your Business and How to Respond https://hubs.li/Q04nxFr50

    Post summary

    The provided excerpt only names a CVE and links to an article, offering no concrete details about exploitation, patches, or technical aspects.

    0000037
    32 followersView on X
CPE platform detail8 entries

8 of 8 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_22h2--x64
OSmicrosoftwindows_11_23h2--x64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

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