Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-103578Windows Kernel Elevation of Privilege Vulnerability
Medium 6.8
In plain English
A medium-severity security flaw in Windows 11 version 26H1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 – before 10.0.28000.3231 |
Weakness: CWE-822 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Kernel Elevation of Privilege Vulnerability vendor-advisory, patch