CVE-2026-47940
Lightroom Classic is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the contex
CVSS
7.8
High
EPSS
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KEV
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Exploit Today
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0-100
Published: Aug 11, 2026 · Last modified: Aug 11, 2026 · CWE-190
Not enough EPSS history yet.
Lightroom Classic is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-730867.4 HIG—
———nanoid is a secure, URL-friendly, unique string ID generator for JavaScript. Prior to versions 3.3.12 and 5.1.11, the nanoid(size) function in index.js and index.cjs coerces the user-influenced size parameter to a signed 32-bit integer, allowing a value of 2147483648 to become -2147483648 and corrupt the process-wide CSPRNG poolOffset in fillPool(), which causes subsequent session tokens, CSRF tokens, API keys, and unique identifiers to become the deterministic string "uuuuuuuuuuuuuuuuuuuuu" until the process restarts. This issue is fixed in versions 3.3.12 and 5.1.11.11hCVE-2026-713318.1 HIG—
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———Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.8hCVE-2026-658147.8 HIG—
———Heap-based buffer overflow in Windows Storage Port Driver allows an authorized attacker to elevate privileges locally.6hCVE-2026-657996.7 MED—
———Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.6hCVE-2026-649117.8 HIG—
———Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.9h