CVE-2023-21823
Status: AnalyzedHigh (7.8)⚠ Active exploitation💥 PoC
Windows Graphics Component Remote Code Execution Vulnerability
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 5.56%
- Percentile among all scored CVEs: 93
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
CISA KEV — actively exploited
- Added to catalog: 2/14/2023
- Remediation due date: 3/7/2023
- Known ransomware use: Unknown
💥 Public exploits
Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.
- Proof of concept on GitHub (unverified) · List of proofs of concept on GitHub
⚠️ GitHub proofs of concept are not verified: some are fake or contain malware. Never run them outside an isolated lab.
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1068Exploitation for Privilege Escalationprivilege escalation85 % - Primary impact
T1059Command and Scripting Interpreterexecution80 %
AV:L/PR:L indica explotación local con privilegios limitados (T1068). RCE en Graphics Component permite ejecución de comandos (T1059) y control de procesos (T1047). CVE activo en ransomware.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (13)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1809Microsoft — Windows 10 20h2Microsoft — Windows 10 21h2Microsoft — Windows 10 22h2Microsoft — Windows 11 21h2Microsoft — Windows 11 22h2Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022
CWEs
- CWE-190
- CWE-190
References
Raw JSON (NVD)
Show
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