Microsoft November patches fix 1,094 bugs, one exploited
CVE-2026-124194 can leak an Outlook user’s NTLMv2 hash; two zero-click remote code execution bugs also ship.
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CVE-2026-119958
Unauthenticated remote code execution in Windows LDAP
- CVSS 3.1
- 9.8 critical
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
An out-of-bounds write in Windows LDAP (Lightweight Directory Access Protocol) lets an unauthorized attacker send network traffic and execute code. No authentication or user interaction is required. Successful exploitation gives high impact on confidentiality, integrity, and availability of the affected Windows system. Microsoft has not listed affected builds.
What to do: Apply Microsoft's update for CVE-2026-119958. Microsoft has not listed a fixed version or workaround.
| Product | Affected |
|---|---|
| Microsoft Windows LDAP | — |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
Out-of-bounds write in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
- Weakness
- CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In the news
3 storiesMicrosoft November patches cover 1,260 flaws, one Outlook bug exploited
SANS says 68 issues are critical and CVE-2026-124194, an Outlook spoofing bug, is already exploited.
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Microsoft November 2026 update fixes 1,093 flaws, one Outlook zero-day
Opening a crafted file can leak an NTLMv2 hash; the Preview Pane is not an attack vector.
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