CVE-2026-78441 json
Windows OLE DB Information Disclosure Vulnerability
published 2mo ago modified 9d ago also EUVD-2026-73796
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
Out-of-bounds read in Windows OLE DB allows an unauthorized attacker to disclose information over a network.
Patch / fix
- Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.3550.4
- Microsoft Microsoft SQL Server 2017 (GDR) 14.0.2130.4
- Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.4490.9
- Microsoft Microsoft SQL Server 2019 (GDR) 15.0.2190.7
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft SQL Server 2017 (CU 31)
- Microsoft Microsoft SQL Server 2017 (GDR)
- Microsoft Microsoft SQL Server 2019 (CU 32)
- Microsoft Microsoft SQL Server 2019 (GDR)
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
- Technology feeds
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-78441
vendor-advisory, patch
Sources
- CVE List CVE-2026-78441
- NVD CVE-2026-78441
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