Microsoft · QUIC Uses Uninitialized Stack Bytes During Automated Peer Detection
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in 4.1.1 : patch Microsoft soon.
Data as of 15 Nov 2026, 10:24 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in 4.1.1, 4.0.4, 3.5.10
Exploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 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 14 Nov 2026.
What to do
Upgrade OpenSSL to 4.1.1, 4.0.4 or 3.5.10.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OpenSSLOpenSSL | Affected
| Fixed in
|
| OpenSSLOpenSSL | Affected
| Fixed in
|
| OpenSSLOpenSSL | Affected
| Fixed in
|
Description
CVE-2026-88822 is a vulnerability in Microsoft software version 3.0 involving the QUIC protocol, where uninitialized stack bytes are used during automated peer detection. This flaw relates to improper memory handling as identified by CWE-457. No CVSS score or detailed impact information is provided.