How severe is CVE-2023-26369?

CVE-2023-26369 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2023-26369?

Affected package information for CVE-2023-26369 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2023-26369?

No fixed version has been published for CVE-2023-26369 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2023-26369 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2023-26369, including 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2023-26369?

CVE-2023-26369 has an EPSS (Exploit Prediction Scoring System) score of 0.8%, placing it in the 74th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2023-26369 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2023-26369 (Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2023-09-14. CISA required all US federal civilian agencies to remediate this vulnerability by 2023-10-05. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2023-26369?

CVE-2023-26369 is classified as Out-of-bounds Write (CWE-787). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2023-26369?

CVE-2023-26369 affects adobe acrobat; adobe acrobat dc; adobe acrobat reader; adobe acrobat reader dc. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2023-26369 published, and has it been updated?

CVE-2023-26369 was published on September 13, 2023 and was last updated on October 23, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2023-09-14 — agencies required to remediate by 2023-10-05

CVE-2023-26369

HIGH

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result…

Published

Sep 13, 2023

Updated

Oct 23, 2025

Affected

0 pkgs

Patched

None yet

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

0.8%probability of exploitation in next 30 days

Lower Risk74th percentile+0.20%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write 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.

Affected Products

4 products · 4 configurations

Application

acrobatadobe

≥ 20.001.3005 && < 20.005.30524

range

Application

acrobat dcadobe

≥ 15.007.20033 && < 23.006.20320

range

Application

acrobat readeradobe

≥ 20.001.3005 && < 20.005.30524

range

Application

acrobat reader dcadobe

≥ 15.007.20033 && < 23.006.20320

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and ea…

cisa.govCISASep 2023

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and ea…

helpx.adobe.comGoogle-sheetSep 2023

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2023-26369 in your stack?

O3 detects CVE-2023-26369 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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