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Microsoft Excel up to 2019 memory corruption [CVE-2020-17064]
A vulnerability classified as critical has been found in Microsoft Excel up to 2019 (Spreadsheet Software). Affected is some unknown processing. Applying a patch is able to eliminate this problem. A possible mitigation has been published…
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A vulnerability classified as critical has been found in Microsoft Excel up to 2019 (Spreadsheet Software). Affected is some unknown processing. Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - Microsoft Excel up to 2019 memory corruption [CVE-2020-17064]
id: b9b7ed80-bdd6-4996-9eb3-ae9306661411
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-23
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-23"
description = "YARA Signature for "
strings:
$str = "Microsoft Excel up to 2019 mem" ascii wide
condition:
any of them
}
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