VulnSocial

CVE-2026-54982PoC(microsoft / windows_10_1607)

LOWCVSS 8.8 · HIGH

Exploit discussion active in current signal (2 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

microsoft CVEsBack to dashboard
2.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-191

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

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

  • Public PoC is present in monitored signal
  • 2 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 2 signals
  • Technical details provided in 2 signals
  • 2 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016windows_server_2019

2 versions affected across 12 products

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-06-24: 2PoC Mentioned / Linked · 2026-06-24: 2Technical Details · 2026-06-24: 206-24
Signal classification1 categories
PoC
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Hephaestvs@Vulcanux_
    PoC

    csirt_it: ‼️ #Erlang #Plug: disponibile in rete #PoC per lo sfruttamento della CVE-2026-54982 Rischio: 🟠 Tipologia: 🔸 Denial of Service 🔗 https://www.acn.gov.it/portale/w/rilevata-nuova-vulnerabilita-in-erlang-plug 🔄 Aggiornamenti disponibili 🔄 https://x.com/csirt_it/status/2069815292595732841/photo/1

    Post summary

    A proof‑of‑concept for CVE‑2026‑54982, a denial‑of‑service vulnerability in Erlang Plug, has been made publicly available, but no exploit code or active usage reports are mentioned.

    0000067
    624 followersView on X
  • Hephaestvs@Vulcanux_
    PoC

    csirt_it: ‼️ #Erlang #Plug: disponibile in rete #PoC per lo sfruttamento della CVE-2026-54982 Rischio: 🟠 Tipologia: 🔸 Denial of Service 🔗 https://www.acn.gov.it/portale/w/rilevata-nuova-vulnerabilita-in-erlang-plug 🔄 Aggiornamenti disponibili 🔄 https://t.co/X3ZvMIGDfN

    Post summary

    The post announces a Proof of Concept for CVE-2026-54982, a Denial of Service vulnerability in Erlang Plug, and links to update information.

    0000064
    624 followersView on X
CPE platform detail22 entries

22 of 22 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_24h2--arm64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--arm64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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