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CVE-2026-20753: Integer Overflow or Wraparound

🗓️ 12 May 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Integer overflow in Slim Bootloader UEFI firmware enables local privilege escalation.

Related
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Intel Slim Bootloader 输入验证错误漏洞
12 May 202600:00
–cnnvd
cve
CVE
CVE-2026-20753
12 May 202616:34
–cve
cvelist
Cvelist
CVE-2026-20753
12 May 202616:34
–cvelist
euvd
EUVD
EUVD-2026-29524
12 May 202618:30
–euvd
intel
Intel
Intel® Slim Bootloader Advisory
12 May 202600:00
–intel
nvd
NVD
CVE-2026-20753
12 May 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-40087
12 May 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-20753
5 Jun 202619:15
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-20753
12 May 202616:34
–vulnrichment

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13 May 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 48.7
EPSS0.00125
SSVC
0