Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code 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 |
| 2026-07-21 | 1 | Disclosure1 |
🔴 #Windows Resilient File System (ReFS), Heap-based Buffer Overflow, #CVE-2026-58530 (Critical) -DC-Jul2026-1105 https://dailycve.com/windows-resilient-file-system-refs-heap-based-buffer-overflow-cve-2026-58530-critical-dc-jul2026-1105/
Post summary
The post links to a disclosure article for CVE‑2026‑58530, noting a heap‑based buffer overflow in Windows ReFS, but provides no exploitation or patch information.
🪟 July’s ReFS flaw isn’t an internet-wide panic button—but local attacker-controlled content can still become code execution. Patch it fast; “resilient” shouldn’t describe your exploit window. https://windowsforum.com/threads/cve-2026-58530-refs-rce-install-july-2026-windows-updates.438836/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #RefsVulnerability #PatchTuesday #Cve202658… https://t.co/ObUaZNISdS
Post summary
The post warns that while the July ReFS flaw isn’t a widespread internet threat, local attacker-controlled content can lead to code execution, urging prompt patching.
20 of 20 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 | - | - | x64 |
| OS | microsoft | windows_server_2019 | - | - | x64 |
| OS | microsoft | windows_server_2022 | - | - | x64 |
| OS | microsoft | windows_server_2025 | - | - | x64 |