CVE-2018-16042 [Medium] | Information Disclosure in Acrobat Dc

CVE-2018-16042 is rated High Risk (65.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 82.43%, 100th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +77.79% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	4.64%	82.43%	+77.79%
2	2025-12-19	4.81%	4.64%	-0.17%
3	2025-11-21	—	4.81%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

4.64%

82.43%

+77.79%

2025-12-19

4.81%

4.64%

-0.17%

2025-11-21

—

4.81%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:N) Service keeps running; no real outage angle.	3.9	2.5	[email protected]
6.4	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:P/I:P/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:N) No availability impact.	10.0	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N): Service keeps running; no real outage angle.

3.9

2.5

[email protected]

6.4

2.0

MEDIUM

AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:N): No availability impact.

10.0

4.9

[email protected]

Affected software / configurations for CVE-2018-16042

Vendor	Product	Version	Raw CPE
adobe	acrobat_dc	>= 15.006.30060, <= 15.006.30457	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
adobe	acrobat_dc	>= 15.008.20082, <= 19.008.20081	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
adobe	acrobat_dc	>= 17.011.30056, <= 17.011.30106	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
adobe	acrobat_reader_dc	>= 15.006.30060, <= 15.006.30457	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*
adobe	acrobat_reader_dc	>= 15.008.20082, <= 19.008.20081	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*
adobe	acrobat_reader_dc	>= 17.011.30059, <= 17.011.30106	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*
adobe	reader	11.0.10	cpe:2.3:a:adobe:reader:11.0.10:::::::*
adobe	reader	11.0.23	cpe:2.3:a:adobe:reader:11.0.23:::::::*
iskysoft	pdf_editor_6	6.4.2.3521	cpe:2.3:a:iskysoft:pdf_editor_6:6.4.2.3521::::professional:::
iskysoft	pdfelement6	6.8.0.3523	cpe:2.3:a:iskysoft:pdfelement6:6.8.0.3523::::professional:::
iskysoft	pdfelement6	6.8.4.3921	cpe:2.3:a:iskysoft:pdfelement6:6.8.4.3921::::professional:::
adobe	acrobat_dc	>= 15.006.30060, <= 15.006.30456	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
adobe	acrobat_dc	>= 15.008.20082, <= 19.008.20080	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
adobe	acrobat_dc	>= 17.011.30056, <= 17.011.30105	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
adobe	acrobat_reader_dc	>= 15.006.30060, <= 15.006.30456	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*
adobe	acrobat_reader_dc	>= 15.008.20082, <= 19.008.20080	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*
adobe	acrobat_reader_dc	>= 17.011.30059, <= 17.011.30105	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*
iskysoft	pdf_editor_6	6.6.2.3315	cpe:2.3:a:iskysoft:pdf_editor_6:6.6.2.3315::::professional:::
iskysoft	pdf_editor_6	6.7.6.3399	cpe:2.3:a:iskysoft:pdf_editor_6:6.7.6.3399::::professional:::
iskysoft	pdfelement6	6.7.1.3355	cpe:2.3:a:iskysoft:pdfelement6:6.7.1.3355::::professional:::
iskysoft	pdfelement6	6.7.6.3399	cpe:2.3:a:iskysoft:pdfelement6:6.7.6.3399::::professional:::

References for CVE-2018-16042

URL	Tags
http://www.securityfocus.com/bid/106159	Third Party Advisory VDB Entry
https://helpx.adobe.com/security/products/acrobat/apsb18-41.html	Patch Vendor Advisory
https://pdf-insecurity.org/signature/evaluation_2018.html	Third Party Advisory
https://pdf-insecurity.org/signature/signature.html	Third Party Advisory
https://www.pdfa.org/recently-identified-pdf-digital-signature-vulnerabilities/	Third Party Advisory

URL

CVE-2018-16042

Exploit prediction scoring system (EPSS) score for CVE-2018-16042

Common vulnerability scoring system (CVSS) metrics for CVE-2018-16042

Weakness enumeration for CVE-2018-16042

Affected software / configurations for CVE-2018-16042

References for CVE-2018-16042