CVE-2021-26418

Medium (4.6) in microsoft. EPSS 1.2% chance of exploitation in the next 30 days.

EPSS

1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)

CWE

CWE-290

Published

2021-05-11

Modified

2026-06-17

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:sharepoint_foundation
• microsoft:sharepoint_server

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418

Check your stackJSON