Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
| Date | Total | Labels |
|---|
| 2026-07-15 | 1 | Patch1 |
| 2026-07-24 | 1 | General1 |
| 2026-07-26 | 1 | General1 |
【3軸解説】「マイクロソフトのMicrosoft Windows 10 1607等の複数製品における信頼できないデータのデシリアライゼーションに関する脆弱性（CVE-2026-50509）」を、背景 / 目的 / 効果 の 3 軸で読み解きます。 背景/目的/効果の3軸で読み解きました。 #セキュリティ… ▶ 無料ツール WR-Analysis: https://www.intect-i.jp/tools/wr-analysis/?utm_source=sns&utm_medium=social&utm_campaign=wr_analysis
Post summary
The post gives a high‑level overview of CVE‑2026‑50509—background, purpose, and effect—without presenting a PoC, exploit, or patch details.
【3軸解説】「マイクロソフトのMicrosoft Windows 10 1607等の複数製品における信頼できないデータのデシリアライゼーションに関する脆弱性（CVE-2026-50509）」を、背景 / 目的 / 効果 の 3 軸で読み解きます。 背景/目的/効果の3軸で読み解きました。 #セキュリティ… ▶ 無料ツール WR-Analysis: https://www.intect-i.jp/tools/wr-analysis/?utm_source=sns&utm_medium=social&utm_campaign=wr_analysis
Post summary
The post provides a high‑level overview of CVE‑2026‑50509, noting affected Windows 10 versions and deserialization weaknesses, but it does not mention PoC, exploit code, active exploitation, etc.
🪟 Windows’ WWAN service had a deserialization bug that could turn local access into serious control. July updates are out—patch now, before “mobile broadband” becomes “attacker broadband.” https://windowsforum.com/threads/cve-2026-50509-install-july-updates-to-fix-windows-wwansvc-eop.438593/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PatchTuesday #Wwansvc #Cve202650509 https://t.co/QgI78t2KBA
Post summary
The post alerts users to a deserialization flaw in Windows WWAN service and urges them to apply the July 2026 patch to mitigate potential local‑access exploitation.
19 of 19 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | microsoft | windows_10_1607 | - | - | x64 |
| OS | microsoft | windows_10_1607 | - | - | x86 |
| OS | microsoft | windows_10_1809 | - | - | x64 |
| OS | microsoft | windows_10_1809 | - | - | x86 |
| OS | microsoft | windows_10_21h2 | - | - | arm64 |
| OS | microsoft | windows_10_21h2 | - | - | x64 |
| OS | microsoft | windows_10_21h2 | - | - | x86 |
| OS | microsoft | windows_10_22h2 | - | - | arm64 |
| OS | microsoft | windows_10_22h2 | - | - | x64 |
| OS | microsoft | windows_10_22h2 | - | - | x86 |
| OS | microsoft | windows_11_24h2 | - | - | arm64 |
| OS | microsoft | windows_11_24h2 | - | - | x64 |
| OS | microsoft | windows_11_25h2 | - | - | arm64 |
| OS | microsoft | windows_11_25h2 | - | - | x64 |
| OS | microsoft | windows_11_26h1 | - | - | arm64 |
| OS | microsoft | windows_11_26h1 | - | - | x64 |
| OS | microsoft | windows_server_2016 | - | - | - |
| OS | microsoft | windows_server_2019 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | - |