Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Integer overflow or wraparound in Windows Kernel 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.
2 versions affected across 12 products
| Date | Total | Labels |
|---|
| 2026-07-15 | 1 | Patch1 |
| 2026-07-17 | 3 | Disclosure1General2 |
| 2026-07-18 | 1 | Disclosure1 |
How I found an integer overflow in tcpip.sys (CVE-2026-58532) https://aprl.pet/writing/cve-2026-58532
Post summary
The text announces the discovery of an integer overflow in Windows' tcpip.sys (CVE‑2026‑58532) and lists its identifier, but it provides no PoC, exploit, mitigation, or active‑exploitation details.
Hi friends, I’m looking for work in threat intel / vulnerability research. I’m based in the UK and open to relocation or remote. Most recent work is CVE-2026-58532 in the Windows kernel, and many contributions to OpenJDK. DMs open, RTs are appreciated :) https://aprl.pet/writing/cve-2026-58532
CVE-2026-58532 Thank you MSRC for being awesome :)
Post summary
The provided text merely references a CVE number with a casual thank the Microsoft Security Response Center; no actionable or detailed information is supplied.
CVE-2026-58532: tcpip.sys Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally. https://aprl.pet/writing/cve-2026-58532 https://t.co/t1X8NkN2Kz
Post summary
The tweet announces a Windows kernel integer overflow vulnerability (CVE‑2026‑58532) that allows local privilege escalation, but offers no proof of concept, exploit code, or patch information.
https://nvd.nist.gov/vuln/detail/cve-2026-58532 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58532 :)
Post summary
The provided text contains only links to external resources about CVE-2026-58532 without any direct information on PoC, exploits, active use, patches, or technical details.
🪟 July’s Windows update fixes a kernel flaw that can turn a local login into SYSTEM-level control. “Important” is Microsoft-speak for patch now, regret less later. https://windowsforum.com/threads/cve-2026-58532-install-july-updates-to-stop-windows-kernel-system-escalation.438844/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PrivilegeEscalation #PatchTuesday #Cve202658532 https://t.co/ywehHtc02r
Post summary
Microsoft’s July 2026 update addresses CVE‑2026‑58532, a kernel flaw that can elevate a local login to SYSTEM level; the post focuses on the patch release, with no mention of exploitation or PoC.
13 of 13 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | microsoft | windows_10_1607 | - | - | - |
| OS | microsoft | windows_10_1809 | - | - | - |
| OS | microsoft | windows_10_21h2 | - | - | - |
| OS | microsoft | windows_10_22h2 | - | - | - |
| OS | microsoft | windows_11_24h2 | - | - | - |
| OS | microsoft | windows_11_25h2 | - | - | - |
| OS | microsoft | windows_11_26h1 | - | - | - |
| OS | microsoft | windows_server_2012 | - | - | - |
| OS | microsoft | windows_server_2012 | r2 | - | - |
| OS | microsoft | windows_server_2016 | - | - | - |
| OS | microsoft | windows_server_2019 | - | - | - |
| OS | microsoft | windows_server_2022 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | - |