Vulnerability · Published Feb 10, 2026 · Assigned by intel
CVE-2025-27940
Medium 4.1
In plain English
A medium-severity out-of-bounds read in TDX Module. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official description
Out-of-bounds read for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Software side channel adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | TDX Module | before version tdx1.5 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N