Is CVE-2026-113543 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-113543 being exploited in the wild.

How severe is CVE-2026-113543?

High severity, with a CVSS score of 7.8, published 10 November 2026.

Which products and versions are affected?

Adobe Media Encoder 26.5.2 and earlier, 25.6.6 and earlier.

Is there a fix for CVE-2026-113543?

Yes: fixed in Media Encoder 27.0, 26.5.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-113543 attacked?

It is attacked with local access.

Am I affected by CVE-2026-113543?

Check whether you run Adobe Media Encoder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-113543: Adobe Media Encoder out-of-bounds write arbitrary code execution

CVE-2026-113543 · Severity: high · CVSS 7.8 · Published 2026-11-10

Adobe Media Encoder, a video and audio processing application, contains an out-of-bounds write vulnerability that allows attackers to execute arbitrary code on a user's computer. An attacker must trick a user into opening a specially crafted malicious file, after which the attacker gains full control of the application and the user's system with all privileges of the logged-in user.

Technologies: Adobe Media Encoder. Vendors: Adobe.

Quick answers

Is CVE-2026-113543 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-113543 being exploited in the wild.
How severe is CVE-2026-113543?: High severity, with a CVSS score of 7.8, published 10 November 2026.
Which products and versions are affected?: Adobe Media Encoder 26.5.2 and earlier, 25.6.6 and earlier.
Is there a fix for CVE-2026-113543?: Yes: fixed in Media Encoder 27.0, 26.5.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-113543 attacked?: It is attacked with local access.
Am I affected by CVE-2026-113543?: Check whether you run Adobe Media Encoder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: Media Encoder 27.0, 26.5.3

Technical details

Out-of-bounds write vulnerability (CWE-787) in Media Encoder's file parsing allows arbitrary code execution when a victim opens a malicious media file. Attack requires local access and user interaction (opening the file), with no authentication required. The vulnerability affects multiple versions and is fixed in Media Encoder 27.0 and 26.5.3.

Affected products

Adobe Media Encoder 26.5.2 and earlier, 25.6.6 and earlier

Timeline

2026-11-10: disclosed

References

https://www.adobe.com/trust/security/products/media-encoder/apsb26-103.html

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