sp_256_get_entry_256_9 · Compiler-induced Timing Leak
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 27 Oct 2026, 00:10 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
Description
CVE-2026-3580 is a vulnerability involving a compiler-induced timing leak in the function sp_256_get_entry_256_9 on RISC-V architectures. The vulnerability is associated with Microsoft products and affects specific versions 2.0 and 3.0. No CVSS score or detailed impact information is provided, and there is no indication of active exploitation in the wild or available patches.