CVE Feed

    Dashboard / CVE / CVE-2021-43753

    CVE-2021-43753

    Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing TIF files that could result in privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

    Published:Sep 7, 2023
    Last Modified:Feb 27, 2025
    EPS:Sep 7, 2023
    EPSS Score:0.00121
    CVSS Score:7.8

    Affected Products

    Vendor
    Adobe
    Product
    Lightroom
    Vendor
    Microsoft
    Product
    Windows

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-48408 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48409 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48441 (CVSS 8.6) — Lightroom Classic is affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Travers…
    CVE-2026-48447 (CVSS 7.7) — Lightroom Classic is affected by an Incorrect Authorization vulnerability that could result in arbitrary code …
    CVE-2026-48406 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48405 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48397 (CVSS 8.6) — Lightroom Classic is affected by a Deserialization of Untrusted Data vulnerability that could result in arbitr…
    CVE-2026-48407 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48404 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…
    CVE-2026-48410 (CVSS 7.8) — Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High