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Microsoft · SQL Server

CVE-2020-0618

Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability

Exploited in attacks Used by ransomware Critical 9.8 Attack chance: 99.0%
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What it is

A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.

CISA: Microsoft SQL Server Reporting Services contains a deserialization vulnerability when handling page requests incorrectly. An authenticated attacker can exploit this vulnerability to execute code in the context of the Report Server service account.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: October 9, 2024

Added to the CISA list
September 18, 2024
Published
February 11, 2020
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
99.0% in the top 0.1% of all known vulnerabilities
Weakness
CWE-502
More details
NVD · CVE.org · CISA
All references (3)

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Sep 8, 2026Link FollowingCVE-2026-81963WindowsHigh 7.80.4%
Sep 8, 2026Heap-Based Buffer OverflowCVE-2026-85880WindowsHigh 7.80.4%
Aug 18, 2026Double FreeCVE-2026-33824Internet Key Exchange (IKE) Service ExtensionsCritical 9.877%
Aug 18, 2026Weak AuthenticationCVE-2026-55040SharePointCritical 9.170%
Aug 11, 2026Windows Ancillary Function Driver for WinSock Use-After-FreeCVE-2026-68820Windows Ancillary Function Driver for WinSock High 7.00.3%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.