CVE-2023-47043: Adobe Media Encoder · Out-of-bounds Read
Affects Adobe Media EncoderSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Nov 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Adobe Media Encoder | Affected
| Fixed in– |
AI-suggested
1. Immediately restrict the opening of media files from untrusted or unknown sources within Adobe Media Encoder. 2. Implement application control or whitelisting to limit execution of unauthorized files and scripts. 3. Educate users about the risks of opening unsolicited or suspicious media files, emphasizing the need for caution with files received via email or external sources. 4. Employ endpoint detection and response (EDR) solutions to monitor for anomalous behaviors related to Adobe Media Encoder processes. 5. Use network segmentation to isolate systems running Adobe Media Encoder from critical infrastructure. 6. Regularly back up important media projects and data to enable recovery in case of compromise. 7. Monitor Adobe security advisories closely and apply patches promptly once released. 8. Consider deploying sandbox environments for opening untrusted media files to contain potential exploitation. 9. Review and tighten file association settings to prevent automatic opening of media files by Adobe Media Encoder. 10. Collaborate with IT security teams to integrate this vulnerability into threat hunting and incident response plans.
Description
CVE-2023-47043 is a high-severity out-of-bounds read vulnerability in Adobe Media Encoder versions 24.0.2 and earlier, as well as 23.6 and earlier. The flaw occurs when the software parses a specially crafted file, leading to a read beyond allocated memory boundaries. Successful exploitation requires user interaction, specifically opening a malicious file, and can result in arbitrary code execution with the privileges of the current user. Although no known exploits are reported in the wild yet, the vulnerability poses a significant risk due to its potential impact on confidentiality, integrity, and availability. European organizations using Adobe Media Encoder, especially in media production and creative industries, should prioritize patching or mitigating this issue. Countries with strong media sectors and high Adobe product adoption are more likely to be affected. Immediate mitigation involves restricting file sources, employing application whitelisting, and monitoring for suspicious file activity until patches are available.