Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability
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.
- Vendor
- Microsoft
- Product
- SQL Server
- CVSS
- 8.8
- EPSS (exploit probability)
- 99.0%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2020-0618 being exploited?
Yes. CISA added CVE-2020-0618 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 99.0% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-13. Full cross-catalog view: /kev-comparison
CVE-2020-0618 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
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