Network-exploitable RCE in a Microsoft OLE DB provider used for SQL access; affects widely deployed Microsoft components and can enable broad compromise.
CVE-2026-72933
Heap overflow in Microsoft OLE DB provider for SQL enabling remote code execution.
Is CVE-2026-72933 being exploited?
Not confirmed. CVE-2026-72933 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.84% probability of exploitation in the next 30 days.
How severe is CVE-2026-72933?
CVE-2026-72933 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-72933?
Yes. A fix has been recorded for CVE-2026-72933. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72933 affect?
CVE-2026-72933 affects Microsoft WDAC OLE DB provider for SQL, Windows systems using the provider. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72933?
Apply Microsoft's security update immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution over network via heap-based buffer overflow in OLE DB provider; attacker can run arbitrary code as the service account.
Immediate action required
- affected>= 10.0.14393.0 and < 10.0.14393.9512
- affected>= 10.0.17763.0 and < 10.0.17763.9245
- affected>= 10.0.19044.0 and < 10.0.19044.7725
- affected>= 10.0.19045.0 and < 10.0.19045.7725
- affected>= 10.0.22631.0 and < 10.0.22631.7582
- affected>= 10.0.22631.0 and < 10.0.22631.7582
- affected>= 10.0.26100.0 and < 10.0.26100.9445
- affected>= 10.0.26200.0 and < 10.0.26200.9445
- affected>= 10.0.28000.0 and < 10.0.28000.2954
- affected>= 6.2.9200.0 and < 6.2.9200.26349
- affected>= 6.3.9600.0 and < 6.3.9600.23397
- affected>= 6.3.9600.0 and < 6.3.9600.23397
- affected>= 6.2.9200.0 and < 6.2.9200.26349
- affected>= 10.0.14393.0 and < 10.0.14393.9512
- affected>= 10.0.14393.0 and < 10.0.14393.9512
- affected>= 10.0.17763.0 and < 10.0.17763.9245
- affected>= 10.0.17763.0 and < 10.0.17763.9245
- affected>= 10.0.20348.0 and < 10.0.20348.5622
- affected>= 10.0.26100.0 and < 10.0.26100.33438
- affected>= 10.0.26100.0 and < 10.0.26100.33438
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.