Affects Dayforce Payroll, a widely used enterprise payroll system; unauthenticated SQLi can expose payroll data and enable account takeover — high-impact for many organizations.
CVE-2026-73640
Unauthenticated time-based blind SQLi in Dayforce Payroll password recovery.
Is CVE-2026-73640 being exploited?
Not confirmed. CVE-2026-73640 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.
How severe is CVE-2026-73640?
CVE-2026-73640 is rated Critical with a CVSS score of 9.3. 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-2026-73640?
Not known from our data. No patch reference has been recorded for CVE-2026-73640, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-73640 affect?
CVE-2026-73640 affects Dayforce Payroll R2026.2.0, Dayforce Payroll (other versions may be affected). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73640?
Block/monitor password-recovery endpoint, deploy WAF rules, rotate creds, apply vendor patch ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can perform time-based blind SQLi to extract payroll DB data, enumerate accounts, and enable account takeover or data theft.
Immediate action required
- affectedR2026.2.0
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.