CVE-2021-28480
Microsoft Exchange Server Remote Code Execution Vulnerability
CRITICAL
9.8
CVSS Score
Published: April 13, 2021 at 07:33 PM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorExchange Server
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Severity
CRITICAL9.8
Exploit prediction
EPSS 71%
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
15.00.0 ≤ v < 15.00.1497.01515.01.0 ≤ v < 15.01.2176.01215.01.0 ≤ v < 15.01.2242.00815.02.0 ≤ v < 15.02.0792.01315.02.0 ≤ v < 15.02.0858.01015.00.015.01.015.02.020132013 cumulative_update_2320162016 cumulative_update_192016 cumulative_update_2020192019 cumulative_update_82019 cumulative_update_9
Affected range stops below 15.00.1497.015, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.01.2176.012, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.01.2242.008, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.0792.013, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.0858.010, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480CVSS
9.8CRITICALmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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