CVE-2021-26886

Medium (6.1) in microsoft. EPSS 1.1% chance of exploitation in the next 30 days.

EPSS

1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-11-01)

Published

2021-03-11

Modified

2026-08-19

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:windows_10
• microsoft:windows_8.1
• microsoft:windows_rt_8.1
• microsoft:windows_server_2012
• microsoft:windows_server_2016
• microsoft:windows_server_2019

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26886
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26886
• https://www.zerodayinitiative.com/advisories/ZDI-21-327/

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