Microsoft November 2026 patches fix 1095 flaws, one exploitedNew
Only CVE-2026-124194, an Outlook spoofing bug scored 6.5, is exploited; 48 of 64 critical issues are remote code execution.
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CVE-2026-112967
Heap buffer overflow in Windows Xbox Live Networking Service
- CVSS 3.1
- 9.8 critical
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
A heap-based buffer overflow in the Windows Xbox Live Networking Service lets an unauthorized attacker run code over the network. No authentication or user interaction is required. Successful exploitation yields full confidentiality, integrity, and availability impact on the affected system. Microsoft has not listed affected builds or fixed versions.
What to do: Apply Microsoft's update for CVE-2026-112967. No workaround is stated.
| Product | Affected |
|---|---|
| Microsoft Windows Xbox Live Networking Service | — |
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
Heap-based buffer overflow in Windows Xbox Live Networking Service allows an unauthorized attacker to execute code over a network.
- Weakness
- CWE-122
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In the news
2 storiesMicrosoft 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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