CVE-2026-2291: Microsoft
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 14 Nov 2026, 09:05 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 15 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
AI-suggested
Patch or remediation status is not confirmed due to lack of information. Users should consult the Microsoft Security Response Center and official advisories for updates and remediation guidance.
Description
CVE-2026-2291 is a reported vulnerability affecting Microsoft products versions 3.0 and 4.0. No technical details, impact, or exploit information is provided in the available data. The description references Microsoft's support lifecycle page but does not specify the nature or severity of the vulnerability.