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CVE-2021-0086
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially…
Medium6.5EPSS 0.35%
- Published
- Updated
- Reserved
- Assigned by
- intel
Description
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
Timeline
ID reserved
By intel
- 8 months later
· 8 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- escalation of privilege
- CWE-203 (opens in a new tab)All about CWE-203 and its CVEs
Affected products
Intel(R) Brand Verification Tool
- affected before version 11.0.0.1225
References (7)
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html (opens in a new tab)x_refsource_CONFIRMx_refsource_MISCx_transferred
- [oss-security] 20210608 Xen Security Advisory 375 v2 (CVE-2021-0089) - Speculative Code Store Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20210609 Xen Security Advisory 375 v3 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20210610 Xen Security Advisory 375 v4 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2021-41d4347447 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-993693c914 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-0086)Record last updated .