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CVE-2026-54874VulnerabilityPublished Updated

Microsoft · Excessive Memory Use Buffering DTLS Records for a Future Epoch

Affects MicrosoftSource GCVE Database

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Not known to be exploited.

Data as of 14 Nov 2026, 09:18 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Microsoft Security Response Center MicrosoftAffected
  • =3.0
  • =4.0
Fixed in–

AI-suggested

Until a fix is available, monitoring for updates from Microsoft is recommended.

Description

This vulnerability involves excessive memory use when buffering Datagram Transport Layer Security (DTLS) records for a future epoch in Microsoft software versions 3.0 and 4.0. The issue relates to improper resource management that could lead to memory exhaustion.

References

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