VulnSocial

CVE-2026-25178Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.0 · HIGH

Exploit discussion active in current signal (1 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

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
2.0/ 10 priority

Sources & remediation

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

Priority

LOW

Exploitation

NONE

PoC

YES

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

  • Public PoC is present in monitored signal
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-03-16); latest day: 1
  • 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_2012windows_server_2016

2 versions affected across 14 products

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-16: 2Mentions · 2026-08-11: 1PoC Mentioned / Linked · 2026-08-11: 1Technical Details · 2026-03-16: 203-1608-11
Signal classification2 categories
Disclosure
266.7%
PoC
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-162
Disclosure2
2026-08-111
PoC1
Full discourse3 posts
  • Undercode News@undercode_news
    PoC

    🚨 #Microsoft #Windows WinSock Vulnerability #CVE-2026-25178: A High-Severity Flaw That Can Turn Local Access Into System-Level Control + Video -Fact Checker: ✅: 3 ❌: 0 || 3/3 → Score: 100% 🦾 -Prediction: 📈 0 Positive | 📉 1 Negative http://undercodenews.com/microsoft-windows-winsock-vulnerability-cve-2026-25178-a-high-severity-flaw-that-can-turn-local-access-into-system-level-control-video/

    Post summary

    The post highlights a video that demonstrates the high‑severity CVE‑2026‑25178, turning local access into system control, but it lacks detailed exploit code, patch info, or active exploitation reports.

    0000027
    65 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-25178 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. https://www.cve.org/CVERecord?id=CVE-2026-25178 ----- Traducción: CVE-2026-25178 Uso de memoria después de liberarla en el contr… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-25178, a use‑after‑free flaw in WinSock’s Ancillary Function Driver that can enable local privilege escalation; it provides a general vulnerability description but no PoC, exploit, or patch details.

    0000064
    58 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-25178 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. https://www.cve.org/CVERecord?id=CVE-2026-25178

    Post summary

    The tweet announces CVE‑2026‑25178, a use‑after‑free flaw in Windows WinSock that enables local privilege escalation.

    00000259
    56.7K followersView on X
CPE platform detail25 entries

25 of 25 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_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2022_23h2---
OSmicrosoftwindows_server_2025--x64

Explore more

Back to dashboardmicrosoft CVEswindows_10_1607 vulnerabilities