VulnSocial

CVE-2026-26156Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.8 · HIGH

Signal is active with 2 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

Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-20CWE-122CWE-125

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_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

Threat summary

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

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 3 classified signals
  • Peaked at 2 mentions on most recent observed day (2026-04-15)
  • 3 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 timeline3 mentions / 2d
01122Mentions · 2026-04-14: 1Mentions · 2026-04-15: 2Technical Details · 2026-04-15: 204-1404-15
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-141
Disclosure1
2026-04-152
Disclosure2
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-26156 Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally. https://www.cve.org/CVERecord?id=CVE-2026-26156 ----- Traducción: Desbordamiento de búfer en el heap en Windows Hyper-V que permite a un atacante no a… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-26156, a heap-based buffer overflow in Windows Hyper-V that enables local code execution, without mentioning any PoC, exploit, or patch.

    0000034
    71 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-26156 Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally. https://www.cve.org/CVERecord?id=CVE-2026-26156

    Post summary

    The post announces a new heap-based buffer overflow in Windows Hyper-V (CVE-2026-26156) that could lead to local code execution, but provides no PoC, exploit code, or evidence of active exploitation.

    00000160
    57.2K followersView on X
  • VulDB 🛡@vuldb
    Disclosure

    A severe vulnerability was disclosed for Microsoft Windows (CVE-2026-26156) https://vuldb.com/vuln/357403

    Post summary

    A severe Windows vulnerability (CVE‑2026‑26156) was announced, but the post lacks detailed technical info, PoC, exploit code, or patch guidance.

    0000054
    2.1K followersView on X
CPE platform detail17 entries

17 of 17 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_22h2--x64
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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