- 8.8HighCVSS base score
- 1.7%Exploitation in 30 daysEPSS · top 23% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.
Timeline
ID reserved
By microsoft
- 19 days later
· 19 days later
Published
- 2 months later
· 2 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
Microsoft · Microsoft SQL Server 2019 (CU 32)
- affected 15.0.0.0 – < 15.0.4490.9
Microsoft · Microsoft SQL Server 2019 (GDR)
- affected 15.0.0 – < 15.0.2190.7
Microsoft · Microsoft SQL Server 2022 (CU 26)
- affected 16.0.0.0 – < 16.0.4275.2
Microsoft · Microsoft SQL Server 2022 (GDR)
- affected 16.0.0 – < 16.0.1200.5
Microsoft · Microsoft SQL Server 2025 (CU8)
- affected 17.0.0.0 – < 17.0.4085.5
Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)
- affected 17.0.1050.2 – < 17.0.1135.8
References
References1
- Microsoft SQL Server Remote Code Execution Vulnerability (opens in a new tab)vendor-advisorypatch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-73785 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-77484)Record last updated .