CVE-2026-105008: No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

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CRITICAL 9.0REMOTEWATCHLIST

CVE-2026-105008 is a critical-severity flaw (CVSS 9.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-420, CWE-290
Published	2026-10-13
Last modified	2026-10-16

Publisher (CNA): Microsoft Corporation

Last updated 2026-10-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-13 19:17 UTCPublished CVE record published
2026-10-16 17:17 UTCUpdated Record last modified

Exact fixes by distribution

Fedora ELN · edk2 · FIXED · 20260812-12.eln159 · FEDORA-2026-e316b6370a · source

sudo dnf upgrade --advisory=FEDORA-2026-e316b6370a

Fedora 46 · perl-Mojo-DOM58 · FIXED · 3.003-1.fc46 · FEDORA-2026-d5412af3de · source

sudo dnf upgrade --advisory=FEDORA-2026-d5412af3de

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-105008?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-105008 being exploited?

CVE-2026-105008 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-105008 affect?

CVE-2026-105008 affects affected software. Severity is critical (CVSS 9.0). No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

How urgent is CVE-2026-105008?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Windows vulnerabilities

References

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