CVE-2023-26369
Adobe — Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability
Adobe · CWE-787 — Out-of-bounds write · in CISA KEV since 2023-09-14
EVRS 75 of 100 Urgent
Patch This Cycle
Rank 1,085 of 2,960 tracked
Raised to the floor for a confirmed exploited vulnerability.
Why it scores 75
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.067.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
acrobat: update to 20.005.30524 or later | acrobat dc: update to 23.006.20320 or later | acrobat reader: update to 20.005.30524 or later | acrobat reader dc: update to 23.006.20320 or later
Affected versions
- acrobat
>= 20.001.3005 < 20.005.30524 - acrobat dc
>= 15.007.20033 < 23.006.20320 - acrobat reader
>= 20.001.3005 < 20.005.30524 - acrobat reader dc
>= 15.007.20033 < 23.006.20320 - macos
- windows
Remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.067 (93.9th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2023-10-05 · KEV since 2023 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 7.8 (v3.1), assigned by adobe. | Listed | ENISA EUVD |
Description
NVDAcrobat 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.
What CISA says to do