November 2026 Patch Tuesday lists dozens of Microsoft flaws
The excerpt lists 57 CVEs, including CVSS 9.8 remote code execution bugs rated exploitation less likely.
66
CVE-2026-119883
Local authorization bypass in Microsoft Data Deduplication
- CVSS 3.1
- 3.3 low
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
Improper authorization in Microsoft Data Deduplication lets an already authorized user bypass a security feature. The attacker must be local and authenticated; no user interaction is required. Impact is limited to low integrity: a security control can be skipped, with no confidentiality or availability effect. Affected builds are not listed.
What to do: Apply Microsoft's update for CVE-2026-119883. Microsoft has not listed a fixed version or workaround.
| Product | Affected |
|---|---|
| Microsoft Data Deduplication | — |
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
Improper authorization in Data Deduplication allows an authorized attacker to bypass a security feature locally.
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
In the news
2 storiesMicrosoft November 2026 Patch Tuesday covers dozens of Windows flaws
The visible Rapid7 list includes several 9.8 remote code execution bugs; each entry is marked not publicly disclosed.
58